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Finding the Fourth Proportional to 88,678.96, 122,208.12 and 63,484.72

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Solution

The fourth proportional to 88,678.96, 122,208.12 and 63,484.72 is: 87,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678.96 : 122,208.12 = 63,484.72 : x
  2. Step 2: Convert to fraction form
    88,678.96/122,208.12 = 63,484.72/x
  3. Step 3: Cross multiply
    88,678.96x = 122,208.12 × 63,484.72
  4. Step 4: Simplify right side
    88,678.96x = 7,758,348,279.93
  5. Step 5: Solve for x
    x = 7,758,348,279.93/88,678.96
  6. Step 6: Final answer
    x = 87,488.04

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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.