Home / 59,702.78-89,480.36-30,129.07

Finding the Fourth Proportional to 59,702.78, 89,480.36 and 30,129.07

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Solution

The fourth proportional to 59,702.78, 89,480.36 and 30,129.07 is: 45,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,702.78 : 89,480.36 = 30,129.07 : x
  2. Step 2: Convert to fraction form
    59,702.78/89,480.36 = 30,129.07/x
  3. Step 3: Cross multiply
    59,702.78x = 89,480.36 × 30,129.07
  4. Step 4: Simplify right side
    59,702.78x = 2,695,959,879.42
  5. Step 5: Solve for x
    x = 2,695,959,879.42/59,702.78
  6. Step 6: Final answer
    x = 45,156.35

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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.