Home / 64,527.38-89,009.17-40,612.53

Finding the Fourth Proportional to 64,527.38, 89,009.17 and 40,612.53

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Solution

The fourth proportional to 64,527.38, 89,009.17 and 40,612.53 is: 56,020.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,527.38 : 89,009.17 = 40,612.53 : x
  2. Step 2: Convert to fraction form
    64,527.38/89,009.17 = 40,612.53/x
  3. Step 3: Cross multiply
    64,527.38x = 89,009.17 × 40,612.53
  4. Step 4: Simplify right side
    64,527.38x = 3,614,887,383.84
  5. Step 5: Solve for x
    x = 3,614,887,383.84/64,527.38
  6. Step 6: Final answer
    x = 56,020.99

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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.