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Finding the Fourth Proportional to 82,752.60, 124,129.62 and 23,588.20

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Solution

The fourth proportional to 82,752.60, 124,129.62 and 23,588.20 is: 35,382.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,752.60 : 124,129.62 = 23,588.20 : x
  2. Step 2: Convert to fraction form
    82,752.60/124,129.62 = 23,588.20/x
  3. Step 3: Cross multiply
    82,752.60x = 124,129.62 × 23,588.20
  4. Step 4: Simplify right side
    82,752.60x = 2,927,994,302.48
  5. Step 5: Solve for x
    x = 2,927,994,302.48/82,752.60
  6. Step 6: Final answer
    x = 35,382.51

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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.