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Finding the Fourth Proportional to 88,635.48, 122,312.46 and 48,348.91

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Solution

The fourth proportional to 88,635.48, 122,312.46 and 48,348.91 is: 66,719.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,635.48 : 122,312.46 = 48,348.91 : x
  2. Step 2: Convert to fraction form
    88,635.48/122,312.46 = 48,348.91/x
  3. Step 3: Cross multiply
    88,635.48x = 122,312.46 × 48,348.91
  4. Step 4: Simplify right side
    88,635.48x = 5,913,674,120.42
  5. Step 5: Solve for x
    x = 5,913,674,120.42/88,635.48
  6. Step 6: Final answer
    x = 66,719.04

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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.