Home / 66,149.48-99,120.50-56,248.04

Finding the Fourth Proportional to 66,149.48, 99,120.50 and 56,248.04

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Solution

The fourth proportional to 66,149.48, 99,120.50 and 56,248.04 is: 84,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,149.48 : 99,120.50 = 56,248.04 : x
  2. Step 2: Convert to fraction form
    66,149.48/99,120.50 = 56,248.04/x
  3. Step 3: Cross multiply
    66,149.48x = 99,120.50 × 56,248.04
  4. Step 4: Simplify right side
    66,149.48x = 5,575,333,848.82
  5. Step 5: Solve for x
    x = 5,575,333,848.82/66,149.48
  6. Step 6: Final answer
    x = 84,283.87

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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.