Home / 74,779.55-112,130.85-22,182.20

Finding the Fourth Proportional to 74,779.55, 112,130.85 and 22,182.20

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Solution

The fourth proportional to 74,779.55, 112,130.85 and 22,182.20 is: 33,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,779.55 : 112,130.85 = 22,182.20 : x
  2. Step 2: Convert to fraction form
    74,779.55/112,130.85 = 22,182.20/x
  3. Step 3: Cross multiply
    74,779.55x = 112,130.85 × 22,182.20
  4. Step 4: Simplify right side
    74,779.55x = 2,487,308,940.87
  5. Step 5: Solve for x
    x = 2,487,308,940.87/74,779.55
  6. Step 6: Final answer
    x = 33,261.89

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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.