Home / 67,586.90-93,281.49-39,308.99

Finding the Fourth Proportional to 67,586.90, 93,281.49 and 39,308.99

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Solution

The fourth proportional to 67,586.90, 93,281.49 and 39,308.99 is: 54,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,586.90 : 93,281.49 = 39,308.99 : x
  2. Step 2: Convert to fraction form
    67,586.90/93,281.49 = 39,308.99/x
  3. Step 3: Cross multiply
    67,586.90x = 93,281.49 × 39,308.99
  4. Step 4: Simplify right side
    67,586.90x = 3,666,800,691.19
  5. Step 5: Solve for x
    x = 3,666,800,691.19/67,586.90
  6. Step 6: Final answer
    x = 54,253.13

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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.