Home / 66,221.30-99,447.15-35,117.30

Finding the Fourth Proportional to 66,221.30, 99,447.15 and 35,117.30

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Solution

The fourth proportional to 66,221.30, 99,447.15 and 35,117.30 is: 52,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,221.30 : 99,447.15 = 35,117.30 : x
  2. Step 2: Convert to fraction form
    66,221.30/99,447.15 = 35,117.30/x
  3. Step 3: Cross multiply
    66,221.30x = 99,447.15 × 35,117.30
  4. Step 4: Simplify right side
    66,221.30x = 3,492,315,400.70
  5. Step 5: Solve for x
    x = 3,492,315,400.70/66,221.30
  6. Step 6: Final answer
    x = 52,737.04

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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.