Home / 102,115.77-140,898.90-59,666.10

Finding the Fourth Proportional to 102,115.77, 140,898.90 and 59,666.10

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Solution

The fourth proportional to 102,115.77, 140,898.90 and 59,666.10 is: 82,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,115.77 : 140,898.90 = 59,666.10 : x
  2. Step 2: Convert to fraction form
    102,115.77/140,898.90 = 59,666.10/x
  3. Step 3: Cross multiply
    102,115.77x = 140,898.90 × 59,666.10
  4. Step 4: Simplify right side
    102,115.77x = 8,406,887,857.29
  5. Step 5: Solve for x
    x = 8,406,887,857.29/102,115.77
  6. Step 6: Final answer
    x = 82,327.03

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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.