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Finding the Fourth Proportional to 83,276.48, 124,827.24 and 30,652.40

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Solution

The fourth proportional to 83,276.48, 124,827.24 and 30,652.40 is: 45,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,276.48 : 124,827.24 = 30,652.40 : x
  2. Step 2: Convert to fraction form
    83,276.48/124,827.24 = 30,652.40/x
  3. Step 3: Cross multiply
    83,276.48x = 124,827.24 × 30,652.40
  4. Step 4: Simplify right side
    83,276.48x = 3,826,254,491.38
  5. Step 5: Solve for x
    x = 3,826,254,491.38/83,276.48
  6. Step 6: Final answer
    x = 45,946.40

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1.5x scale

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.