Home / 44,779.10-67,145.49-13,185.05

Finding the Fourth Proportional to 44,779.10, 67,145.49 and 13,185.05

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Solution

The fourth proportional to 44,779.10, 67,145.49 and 13,185.05 is: 19,770.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,779.10 : 67,145.49 = 13,185.05 : x
  2. Step 2: Convert to fraction form
    44,779.10/67,145.49 = 13,185.05/x
  3. Step 3: Cross multiply
    44,779.10x = 67,145.49 × 13,185.05
  4. Step 4: Simplify right side
    44,779.10x = 885,316,307.20
  5. Step 5: Solve for x
    x = 885,316,307.20/44,779.10
  6. Step 6: Final answer
    x = 19,770.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.