Home / 85,319.97-127,925.27-35,434.50

Finding the Fourth Proportional to 85,319.97, 127,925.27 and 35,434.50

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Solution

The fourth proportional to 85,319.97, 127,925.27 and 35,434.50 is: 53,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,319.97 : 127,925.27 = 35,434.50 : x
  2. Step 2: Convert to fraction form
    85,319.97/127,925.27 = 35,434.50/x
  3. Step 3: Cross multiply
    85,319.97x = 127,925.27 × 35,434.50
  4. Step 4: Simplify right side
    85,319.97x = 4,532,967,455.80
  5. Step 5: Solve for x
    x = 4,532,967,455.80/85,319.97
  6. Step 6: Final answer
    x = 53,129.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.