Home / 84,722.40-127,124.46-59,921.76

Finding the Fourth Proportional to 84,722.40, 127,124.46 and 59,921.76

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Solution

The fourth proportional to 84,722.40, 127,124.46 and 59,921.76 is: 89,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,722.40 : 127,124.46 = 59,921.76 : x
  2. Step 2: Convert to fraction form
    84,722.40/127,124.46 = 59,921.76/x
  3. Step 3: Cross multiply
    84,722.40x = 127,124.46 × 59,921.76
  4. Step 4: Simplify right side
    84,722.40x = 7,617,521,382.25
  5. Step 5: Solve for x
    x = 7,617,521,382.25/84,722.40
  6. Step 6: Final answer
    x = 89,911.54

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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.