Home / 77,432.25-106,877.40-50,574.18

Finding the Fourth Proportional to 77,432.25, 106,877.40 and 50,574.18

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Solution

The fourth proportional to 77,432.25, 106,877.40 and 50,574.18 is: 69,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432.25 : 106,877.40 = 50,574.18 : x
  2. Step 2: Convert to fraction form
    77,432.25/106,877.40 = 50,574.18/x
  3. Step 3: Cross multiply
    77,432.25x = 106,877.40 × 50,574.18
  4. Step 4: Simplify right side
    77,432.25x = 5,405,236,865.53
  5. Step 5: Solve for x
    x = 5,405,236,865.53/77,432.25
  6. Step 6: Final answer
    x = 69,806.02

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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.