Home / 92,962.47-128,272.35-52,667.91

Finding the Fourth Proportional to 92,962.47, 128,272.35 and 52,667.91

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Solution

The fourth proportional to 92,962.47, 128,272.35 and 52,667.91 is: 72,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,962.47 : 128,272.35 = 52,667.91 : x
  2. Step 2: Convert to fraction form
    92,962.47/128,272.35 = 52,667.91/x
  3. Step 3: Cross multiply
    92,962.47x = 128,272.35 × 52,667.91
  4. Step 4: Simplify right side
    92,962.47x = 6,755,836,585.29
  5. Step 5: Solve for x
    x = 6,755,836,585.29/92,962.47
  6. Step 6: Final answer
    x = 72,672.73

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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.