Home / 110,531.76-152,528.40-62,778.84

Finding the Fourth Proportional to 110,531.76, 152,528.40 and 62,778.84

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Solution

The fourth proportional to 110,531.76, 152,528.40 and 62,778.84 is: 86,631.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,531.76 : 152,528.40 = 62,778.84 : x
  2. Step 2: Convert to fraction form
    110,531.76/152,528.40 = 62,778.84/x
  3. Step 3: Cross multiply
    110,531.76x = 152,528.40 × 62,778.84
  4. Step 4: Simplify right side
    110,531.76x = 9,575,556,019.06
  5. Step 5: Solve for x
    x = 9,575,556,019.06/110,531.76
  6. Step 6: Final answer
    x = 86,631.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.