Home / 57,127.57-78,836.86-32,915.17

Finding the Fourth Proportional to 57,127.57, 78,836.86 and 32,915.17

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Solution

The fourth proportional to 57,127.57, 78,836.86 and 32,915.17 is: 45,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,127.57 : 78,836.86 = 32,915.17 : x
  2. Step 2: Convert to fraction form
    57,127.57/78,836.86 = 32,915.17/x
  3. Step 3: Cross multiply
    57,127.57x = 78,836.86 × 32,915.17
  4. Step 4: Simplify right side
    57,127.57x = 2,594,928,649.17
  5. Step 5: Solve for x
    x = 2,594,928,649.17/57,127.57
  6. Step 6: Final answer
    x = 45,423.40

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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.