Home / 66,517.20-99,487.80-59,547.60

Finding the Fourth Proportional to 66,517.20, 99,487.80 and 59,547.60

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Solution

The fourth proportional to 66,517.20, 99,487.80 and 59,547.60 is: 89,063.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,517.20 : 99,487.80 = 59,547.60 : x
  2. Step 2: Convert to fraction form
    66,517.20/99,487.80 = 59,547.60/x
  3. Step 3: Cross multiply
    66,517.20x = 99,487.80 × 59,547.60
  4. Step 4: Simplify right side
    66,517.20x = 5,924,259,719.28
  5. Step 5: Solve for x
    x = 5,924,259,719.28/66,517.20
  6. Step 6: Final answer
    x = 89,063.58

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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.