Home / 66,397.60-99,521.07-41,448.79

Finding the Fourth Proportional to 66,397.60, 99,521.07 and 41,448.79

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Solution

The fourth proportional to 66,397.60, 99,521.07 and 41,448.79 is: 62,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,397.60 : 99,521.07 = 41,448.79 : x
  2. Step 2: Convert to fraction form
    66,397.60/99,521.07 = 41,448.79/x
  3. Step 3: Cross multiply
    66,397.60x = 99,521.07 × 41,448.79
  4. Step 4: Simplify right side
    66,397.60x = 4,125,027,931.01
  5. Step 5: Solve for x
    x = 4,125,027,931.01/66,397.60
  6. Step 6: Final answer
    x = 62,126.16

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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.