Home / 84,723.64-127,126.50-34,840.60

Finding the Fourth Proportional to 84,723.64, 127,126.50 and 34,840.60

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Solution

The fourth proportional to 84,723.64, 127,126.50 and 34,840.60 is: 52,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,723.64 : 127,126.50 = 34,840.60 : x
  2. Step 2: Convert to fraction form
    84,723.64/127,126.50 = 34,840.60/x
  3. Step 3: Cross multiply
    84,723.64x = 127,126.50 × 34,840.60
  4. Step 4: Simplify right side
    84,723.64x = 4,429,163,535.90
  5. Step 5: Solve for x
    x = 4,429,163,535.90/84,723.64
  6. Step 6: Final answer
    x = 52,277.78

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1.5x scale

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.