Home / 65,591.28-90,527.58-38,732.04

Finding the Fourth Proportional to 65,591.28, 90,527.58 and 38,732.04

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Solution

The fourth proportional to 65,591.28, 90,527.58 and 38,732.04 is: 53,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,591.28 : 90,527.58 = 38,732.04 : x
  2. Step 2: Convert to fraction form
    65,591.28/90,527.58 = 38,732.04/x
  3. Step 3: Cross multiply
    65,591.28x = 90,527.58 × 38,732.04
  4. Step 4: Simplify right side
    65,591.28x = 3,506,317,849.66
  5. Step 5: Solve for x
    x = 3,506,317,849.66/65,591.28
  6. Step 6: Final answer
    x = 53,457.07

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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.