Home / 90,656.16-125,105.40-50,373.66

Finding the Fourth Proportional to 90,656.16, 125,105.40 and 50,373.66

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Solution

The fourth proportional to 90,656.16, 125,105.40 and 50,373.66 is: 69,515.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,656.16 : 125,105.40 = 50,373.66 : x
  2. Step 2: Convert to fraction form
    90,656.16/125,105.40 = 50,373.66/x
  3. Step 3: Cross multiply
    90,656.16x = 125,105.40 × 50,373.66
  4. Step 4: Simplify right side
    90,656.16x = 6,302,016,883.76
  5. Step 5: Solve for x
    x = 6,302,016,883.76/90,656.16
  6. Step 6: Final answer
    x = 69,515.59

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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.