Home / 81,162.41-112,006.60-45,353.93

Finding the Fourth Proportional to 81,162.41, 112,006.60 and 45,353.93

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Solution

The fourth proportional to 81,162.41, 112,006.60 and 45,353.93 is: 62,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,162.41 : 112,006.60 = 45,353.93 : x
  2. Step 2: Convert to fraction form
    81,162.41/112,006.60 = 45,353.93/x
  3. Step 3: Cross multiply
    81,162.41x = 112,006.60 × 45,353.93
  4. Step 4: Simplify right side
    81,162.41x = 5,079,938,822.52
  5. Step 5: Solve for x
    x = 5,079,938,822.52/81,162.41
  6. Step 6: Final answer
    x = 62,589.80

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1.5x scale

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.