Home / 77,106.50-106,387.56-45,269.26

Finding the Fourth Proportional to 77,106.50, 106,387.56 and 45,269.26

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Solution

The fourth proportional to 77,106.50, 106,387.56 and 45,269.26 is: 62,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,106.50 : 106,387.56 = 45,269.26 : x
  2. Step 2: Convert to fraction form
    77,106.50/106,387.56 = 45,269.26/x
  3. Step 3: Cross multiply
    77,106.50x = 106,387.56 × 45,269.26
  4. Step 4: Simplify right side
    77,106.50x = 4,816,086,114.41
  5. Step 5: Solve for x
    x = 4,816,086,114.41/77,106.50
  6. Step 6: Final answer
    x = 62,460.18

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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.