Home / 66,637.35-99,855.18-29,176.47

Finding the Fourth Proportional to 66,637.35, 99,855.18 and 29,176.47

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Solution

The fourth proportional to 66,637.35, 99,855.18 and 29,176.47 is: 43,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,637.35 : 99,855.18 = 29,176.47 : x
  2. Step 2: Convert to fraction form
    66,637.35/99,855.18 = 29,176.47/x
  3. Step 3: Cross multiply
    66,637.35x = 99,855.18 × 29,176.47
  4. Step 4: Simplify right side
    66,637.35x = 2,913,421,663.61
  5. Step 5: Solve for x
    x = 2,913,421,663.61/66,637.35
  6. Step 6: Final answer
    x = 43,720.55

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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.