Home / 83,724.21-115,538.95-45,483.45

Finding the Fourth Proportional to 83,724.21, 115,538.95 and 45,483.45

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Solution

The fourth proportional to 83,724.21, 115,538.95 and 45,483.45 is: 62,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,724.21 : 115,538.95 = 45,483.45 : x
  2. Step 2: Convert to fraction form
    83,724.21/115,538.95 = 45,483.45/x
  3. Step 3: Cross multiply
    83,724.21x = 115,538.95 × 45,483.45
  4. Step 4: Simplify right side
    83,724.21x = 5,255,109,827.96
  5. Step 5: Solve for x
    x = 5,255,109,827.96/83,724.21
  6. Step 6: Final answer
    x = 62,766.91

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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.