Home / 90,495.02-124,877.48-54,663.86

Finding the Fourth Proportional to 90,495.02, 124,877.48 and 54,663.86

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Solution

The fourth proportional to 90,495.02, 124,877.48 and 54,663.86 is: 75,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,495.02 : 124,877.48 = 54,663.86 : x
  2. Step 2: Convert to fraction form
    90,495.02/124,877.48 = 54,663.86/x
  3. Step 3: Cross multiply
    90,495.02x = 124,877.48 × 54,663.86
  4. Step 4: Simplify right side
    90,495.02x = 6,826,285,083.87
  5. Step 5: Solve for x
    x = 6,826,285,083.87/90,495.02
  6. Step 6: Final answer
    x = 75,432.72

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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.