Home / 84,744.20-127,116.30-34,807.70

Finding the Fourth Proportional to 84,744.20, 127,116.30 and 34,807.70

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Solution

The fourth proportional to 84,744.20, 127,116.30 and 34,807.70 is: 52,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744.20 : 127,116.30 = 34,807.70 : x
  2. Step 2: Convert to fraction form
    84,744.20/127,116.30 = 34,807.70/x
  3. Step 3: Cross multiply
    84,744.20x = 127,116.30 × 34,807.70
  4. Step 4: Simplify right side
    84,744.20x = 4,424,626,035.51
  5. Step 5: Solve for x
    x = 4,424,626,035.51/84,744.20
  6. Step 6: Final answer
    x = 52,211.55

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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.