Home / 90,601.16-125,030.94-54,784.85

Finding the Fourth Proportional to 90,601.16, 125,030.94 and 54,784.85

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Solution

The fourth proportional to 90,601.16, 125,030.94 and 54,784.85 is: 75,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,601.16 : 125,030.94 = 54,784.85 : x
  2. Step 2: Convert to fraction form
    90,601.16/125,030.94 = 54,784.85/x
  3. Step 3: Cross multiply
    90,601.16x = 125,030.94 × 54,784.85
  4. Step 4: Simplify right side
    90,601.16x = 6,849,801,293.26
  5. Step 5: Solve for x
    x = 6,849,801,293.26/90,601.16
  6. Step 6: Final answer
    x = 75,603.90

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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.