Home / 90,859.32-125,387.28-50,573.52

Finding the Fourth Proportional to 90,859.32, 125,387.28 and 50,573.52

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Solution

The fourth proportional to 90,859.32, 125,387.28 and 50,573.52 is: 69,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,859.32 : 125,387.28 = 50,573.52 : x
  2. Step 2: Convert to fraction form
    90,859.32/125,387.28 = 50,573.52/x
  3. Step 3: Cross multiply
    90,859.32x = 125,387.28 × 50,573.52
  4. Step 4: Simplify right side
    90,859.32x = 6,341,276,112.83
  5. Step 5: Solve for x
    x = 6,341,276,112.83/90,859.32
  6. Step 6: Final answer
    x = 69,792.25

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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.