Home / 66,482.41-91,779.57-51,341.08

Finding the Fourth Proportional to 66,482.41, 91,779.57 and 51,341.08

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Solution

The fourth proportional to 66,482.41, 91,779.57 and 51,341.08 is: 70,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,482.41 : 91,779.57 = 51,341.08 : x
  2. Step 2: Convert to fraction form
    66,482.41/91,779.57 = 51,341.08/x
  3. Step 3: Cross multiply
    66,482.41x = 91,779.57 × 51,341.08
  4. Step 4: Simplify right side
    66,482.41x = 4,712,062,245.74
  5. Step 5: Solve for x
    x = 4,712,062,245.74/66,482.41
  6. Step 6: Final answer
    x = 70,876.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.