Home / 83,354.28-115,032.18-45,628.52

Finding the Fourth Proportional to 83,354.28, 115,032.18 and 45,628.52

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Solution

The fourth proportional to 83,354.28, 115,032.18 and 45,628.52 is: 62,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,354.28 : 115,032.18 = 45,628.52 : x
  2. Step 2: Convert to fraction form
    83,354.28/115,032.18 = 45,628.52/x
  3. Step 3: Cross multiply
    83,354.28x = 115,032.18 × 45,628.52
  4. Step 4: Simplify right side
    83,354.28x = 5,248,748,125.77
  5. Step 5: Solve for x
    x = 5,248,748,125.77/83,354.28
  6. Step 6: Final answer
    x = 62,969.15

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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.