Home / 74,500.44-102,666.24-61,772.10

Finding the Fourth Proportional to 74,500.44, 102,666.24 and 61,772.10

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Solution

The fourth proportional to 74,500.44, 102,666.24 and 61,772.10 is: 85,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,500.44 : 102,666.24 = 61,772.10 : x
  2. Step 2: Convert to fraction form
    74,500.44/102,666.24 = 61,772.10/x
  3. Step 3: Cross multiply
    74,500.44x = 102,666.24 × 61,772.10
  4. Step 4: Simplify right side
    74,500.44x = 6,341,909,243.90
  5. Step 5: Solve for x
    x = 6,341,909,243.90/74,500.44
  6. Step 6: Final answer
    x = 85,125.80

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1.5x scale

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.