Home / 88,988.40-133,389.54-29,775.36

Finding the Fourth Proportional to 88,988.40, 133,389.54 and 29,775.36

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Solution

The fourth proportional to 88,988.40, 133,389.54 and 29,775.36 is: 44,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,988.40 : 133,389.54 = 29,775.36 : x
  2. Step 2: Convert to fraction form
    88,988.40/133,389.54 = 29,775.36/x
  3. Step 3: Cross multiply
    88,988.40x = 133,389.54 × 29,775.36
  4. Step 4: Simplify right side
    88,988.40x = 3,971,721,573.73
  5. Step 5: Solve for x
    x = 3,971,721,573.73/88,988.40
  6. Step 6: Final answer
    x = 44,631.90

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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.