Home / 83,134.95-114,725.49-45,408.39

Finding the Fourth Proportional to 83,134.95, 114,725.49 and 45,408.39

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Solution

The fourth proportional to 83,134.95, 114,725.49 and 45,408.39 is: 62,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,134.95 : 114,725.49 = 45,408.39 : x
  2. Step 2: Convert to fraction form
    83,134.95/114,725.49 = 45,408.39/x
  3. Step 3: Cross multiply
    83,134.95x = 114,725.49 × 45,408.39
  4. Step 4: Simplify right side
    83,134.95x = 5,209,499,792.86
  5. Step 5: Solve for x
    x = 5,209,499,792.86/83,134.95
  6. Step 6: Final answer
    x = 62,663.17

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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.