Home / 90,934.17-125,492.64-52,695

Finding the Fourth Proportional to 90,934.17, 125,492.64 and 52,695

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Solution

The fourth proportional to 90,934.17, 125,492.64 and 52,695 is: 72,721.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,934.17 : 125,492.64 = 52,695 : x
  2. Step 2: Convert to fraction form
    90,934.17/125,492.64 = 52,695/x
  3. Step 3: Cross multiply
    90,934.17x = 125,492.64 × 52,695
  4. Step 4: Simplify right side
    90,934.17x = 6,612,834,664.80
  5. Step 5: Solve for x
    x = 6,612,834,664.80/90,934.17
  6. Step 6: Final answer
    x = 72,721.12

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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.