Home / 66,552.28-99,852.18-28,585.60

Finding the Fourth Proportional to 66,552.28, 99,852.18 and 28,585.60

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Solution

The fourth proportional to 66,552.28, 99,852.18 and 28,585.60 is: 42,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552.28 : 99,852.18 = 28,585.60 : x
  2. Step 2: Convert to fraction form
    66,552.28/99,852.18 = 28,585.60/x
  3. Step 3: Cross multiply
    66,552.28x = 99,852.18 × 28,585.60
  4. Step 4: Simplify right side
    66,552.28x = 2,854,334,476.61
  5. Step 5: Solve for x
    x = 2,854,334,476.61/66,552.28
  6. Step 6: Final answer
    x = 42,888.61

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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.