Home / 90,370.16-124,710.58-49,535.28

Finding the Fourth Proportional to 90,370.16, 124,710.58 and 49,535.28

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Solution

The fourth proportional to 90,370.16, 124,710.58 and 49,535.28 is: 68,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,370.16 : 124,710.58 = 49,535.28 : x
  2. Step 2: Convert to fraction form
    90,370.16/124,710.58 = 49,535.28/x
  3. Step 3: Cross multiply
    90,370.16x = 124,710.58 × 49,535.28
  4. Step 4: Simplify right side
    90,370.16x = 6,177,573,499.26
  5. Step 5: Solve for x
    x = 6,177,573,499.26/90,370.16
  6. Step 6: Final answer
    x = 68,358.55

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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.