Home / 88,915.10-133,329.45-49,430.30

Finding the Fourth Proportional to 88,915.10, 133,329.45 and 49,430.30

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Solution

The fourth proportional to 88,915.10, 133,329.45 and 49,430.30 is: 74,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,915.10 : 133,329.45 = 49,430.30 : x
  2. Step 2: Convert to fraction form
    88,915.10/133,329.45 = 49,430.30/x
  3. Step 3: Cross multiply
    88,915.10x = 133,329.45 × 49,430.30
  4. Step 4: Simplify right side
    88,915.10x = 6,590,514,712.34
  5. Step 5: Solve for x
    x = 6,590,514,712.34/88,915.10
  6. Step 6: Final answer
    x = 74,121.43

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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.