Home / 42,772.16-64,158.27-11,607.41

Finding the Fourth Proportional to 42,772.16, 64,158.27 and 11,607.41

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Solution

The fourth proportional to 42,772.16, 64,158.27 and 11,607.41 is: 17,411.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,772.16 : 64,158.27 = 11,607.41 : x
  2. Step 2: Convert to fraction form
    42,772.16/64,158.27 = 11,607.41/x
  3. Step 3: Cross multiply
    42,772.16x = 64,158.27 × 11,607.41
  4. Step 4: Simplify right side
    42,772.16x = 744,710,965.95
  5. Step 5: Solve for x
    x = 744,710,965.95/42,772.16
  6. Step 6: Final answer
    x = 17,411.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.