Home / 90,600.66-125,030.25-54,784.35

Finding the Fourth Proportional to 90,600.66, 125,030.25 and 54,784.35

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Solution

The fourth proportional to 90,600.66, 125,030.25 and 54,784.35 is: 75,603.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,600.66 : 125,030.25 = 54,784.35 : x
  2. Step 2: Convert to fraction form
    90,600.66/125,030.25 = 54,784.35/x
  3. Step 3: Cross multiply
    90,600.66x = 125,030.25 × 54,784.35
  4. Step 4: Simplify right side
    90,600.66x = 6,849,700,976.59
  5. Step 5: Solve for x
    x = 6,849,700,976.59/90,600.66
  6. Step 6: Final answer
    x = 75,603.21

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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.