Home / 94,985.52-142,425.60-38,865

Finding the Fourth Proportional to 94,985.52, 142,425.60 and 38,865

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Solution

The fourth proportional to 94,985.52, 142,425.60 and 38,865 is: 58,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,985.52 : 142,425.60 = 38,865 : x
  2. Step 2: Convert to fraction form
    94,985.52/142,425.60 = 38,865/x
  3. Step 3: Cross multiply
    94,985.52x = 142,425.60 × 38,865
  4. Step 4: Simplify right side
    94,985.52x = 5,535,370,944
  5. Step 5: Solve for x
    x = 5,535,370,944/94,985.52
  6. Step 6: Final answer
    x = 58,275.95

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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.