Home / 66,174.32-99,265.80-48,458.00

Finding the Fourth Proportional to 66,174.32, 99,265.80 and 48,458.00

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Solution

The fourth proportional to 66,174.32, 99,265.80 and 48,458.00 is: 72,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,174.32 : 99,265.80 = 48,458.00 : x
  2. Step 2: Convert to fraction form
    66,174.32/99,265.80 = 48,458.00/x
  3. Step 3: Cross multiply
    66,174.32x = 99,265.80 × 48,458.00
  4. Step 4: Simplify right side
    66,174.32x = 4,810,221,640.07
  5. Step 5: Solve for x
    x = 4,810,221,640.07/66,174.32
  6. Step 6: Final answer
    x = 72,690.16

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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.