Home / 83,134.52-114,726.20-45,408.76

Finding the Fourth Proportional to 83,134.52, 114,726.20 and 45,408.76

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Solution

The fourth proportional to 83,134.52, 114,726.20 and 45,408.76 is: 62,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,134.52 : 114,726.20 = 45,408.76 : x
  2. Step 2: Convert to fraction form
    83,134.52/114,726.20 = 45,408.76/x
  3. Step 3: Cross multiply
    83,134.52x = 114,726.20 × 45,408.76
  4. Step 4: Simplify right side
    83,134.52x = 5,209,574,481.51
  5. Step 5: Solve for x
    x = 5,209,574,481.51/83,134.52
  6. Step 6: Final answer
    x = 62,664.40

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1.5x scale

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.