Home / 66,209.92-99,259-28,741.72

Finding the Fourth Proportional to 66,209.92, 99,259 and 28,741.72

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Solution

The fourth proportional to 66,209.92, 99,259 and 28,741.72 is: 43,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,209.92 : 99,259 = 28,741.72 : x
  2. Step 2: Convert to fraction form
    66,209.92/99,259 = 28,741.72/x
  3. Step 3: Cross multiply
    66,209.92x = 99,259 × 28,741.72
  4. Step 4: Simplify right side
    66,209.92x = 2,852,874,385.48
  5. Step 5: Solve for x
    x = 2,852,874,385.48/66,209.92
  6. Step 6: Final answer
    x = 43,088.32

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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.