Home / 67,438.19-93,050.81-38,752.31

Finding the Fourth Proportional to 67,438.19, 93,050.81 and 38,752.31

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Solution

The fourth proportional to 67,438.19, 93,050.81 and 38,752.31 is: 53,470.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,438.19 : 93,050.81 = 38,752.31 : x
  2. Step 2: Convert to fraction form
    67,438.19/93,050.81 = 38,752.31/x
  3. Step 3: Cross multiply
    67,438.19x = 93,050.81 × 38,752.31
  4. Step 4: Simplify right side
    67,438.19x = 3,605,933,834.87
  5. Step 5: Solve for x
    x = 3,605,933,834.87/67,438.19
  6. Step 6: Final answer
    x = 53,470.20

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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.