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Finding the Fourth Proportional to 88,496.56, 122,125.20 and 48,752.56

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Solution

The fourth proportional to 88,496.56, 122,125.20 and 48,752.56 is: 67,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,496.56 : 122,125.20 = 48,752.56 : x
  2. Step 2: Convert to fraction form
    88,496.56/122,125.20 = 48,752.56/x
  3. Step 3: Cross multiply
    88,496.56x = 122,125.20 × 48,752.56
  4. Step 4: Simplify right side
    88,496.56x = 5,953,916,140.51
  5. Step 5: Solve for x
    x = 5,953,916,140.51/88,496.56
  6. Step 6: Final answer
    x = 67,278.50

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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.