Home / 81,360.59-121,574.41-62,019.35

Finding the Fourth Proportional to 81,360.59, 121,574.41 and 62,019.35

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Solution

The fourth proportional to 81,360.59, 121,574.41 and 62,019.35 is: 92,673.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,360.59 : 121,574.41 = 62,019.35 : x
  2. Step 2: Convert to fraction form
    81,360.59/121,574.41 = 62,019.35/x
  3. Step 3: Cross multiply
    81,360.59x = 121,574.41 × 62,019.35
  4. Step 4: Simplify right side
    81,360.59x = 7,539,965,884.83
  5. Step 5: Solve for x
    x = 7,539,965,884.83/81,360.59
  6. Step 6: Final answer
    x = 92,673.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.