Home / 77,176.67-106,470.02-45,331.22

Finding the Fourth Proportional to 77,176.67, 106,470.02 and 45,331.22

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Solution

The fourth proportional to 77,176.67, 106,470.02 and 45,331.22 is: 62,537.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,176.67 : 106,470.02 = 45,331.22 : x
  2. Step 2: Convert to fraction form
    77,176.67/106,470.02 = 45,331.22/x
  3. Step 3: Cross multiply
    77,176.67x = 106,470.02 × 45,331.22
  4. Step 4: Simplify right side
    77,176.67x = 4,826,415,900.02
  5. Step 5: Solve for x
    x = 4,826,415,900.02/77,176.67
  6. Step 6: Final answer
    x = 62,537.24

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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.