Home / 67,259.28-92,828.70-38,981.34

Finding the Fourth Proportional to 67,259.28, 92,828.70 and 38,981.34

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Solution

The fourth proportional to 67,259.28, 92,828.70 and 38,981.34 is: 53,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,259.28 : 92,828.70 = 38,981.34 : x
  2. Step 2: Convert to fraction form
    67,259.28/92,828.70 = 38,981.34/x
  3. Step 3: Cross multiply
    67,259.28x = 92,828.70 × 38,981.34
  4. Step 4: Simplify right side
    67,259.28x = 3,618,587,116.46
  5. Step 5: Solve for x
    x = 3,618,587,116.46/67,259.28
  6. Step 6: Final answer
    x = 53,800.56

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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.