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Finding the Fourth Proportional to 88,482.60, 122,109.12 and 48,197.16

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Solution

The fourth proportional to 88,482.60, 122,109.12 and 48,197.16 is: 66,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,482.60 : 122,109.12 = 48,197.16 : x
  2. Step 2: Convert to fraction form
    88,482.60/122,109.12 = 48,197.16/x
  3. Step 3: Cross multiply
    88,482.60x = 122,109.12 × 48,197.16
  4. Step 4: Simplify right side
    88,482.60x = 5,885,312,794.10
  5. Step 5: Solve for x
    x = 5,885,312,794.10/88,482.60
  6. Step 6: Final answer
    x = 66,513.79

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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.