Home / 67,438.26-93,062.79-38,762.64

Finding the Fourth Proportional to 67,438.26, 93,062.79 and 38,762.64

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Solution

The fourth proportional to 67,438.26, 93,062.79 and 38,762.64 is: 53,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,438.26 : 93,062.79 = 38,762.64 : x
  2. Step 2: Convert to fraction form
    67,438.26/93,062.79 = 38,762.64/x
  3. Step 3: Cross multiply
    67,438.26x = 93,062.79 × 38,762.64
  4. Step 4: Simplify right side
    67,438.26x = 3,607,359,426.17
  5. Step 5: Solve for x
    x = 3,607,359,426.17/67,438.26
  6. Step 6: Final answer
    x = 53,491.29

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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.