Home / 67,715.18-93,417.96-40,842.38

Finding the Fourth Proportional to 67,715.18, 93,417.96 and 40,842.38

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Solution

The fourth proportional to 67,715.18, 93,417.96 and 40,842.38 is: 56,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,715.18 : 93,417.96 = 40,842.38 : x
  2. Step 2: Convert to fraction form
    67,715.18/93,417.96 = 40,842.38/x
  3. Step 3: Cross multiply
    67,715.18x = 93,417.96 × 40,842.38
  4. Step 4: Simplify right side
    67,715.18x = 3,815,411,821.14
  5. Step 5: Solve for x
    x = 3,815,411,821.14/67,715.18
  6. Step 6: Final answer
    x = 56,345.00

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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.