Home / 77,135.13-106,445.07-43,601.13

Finding the Fourth Proportional to 77,135.13, 106,445.07 and 43,601.13

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Solution

The fourth proportional to 77,135.13, 106,445.07 and 43,601.13 is: 60,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,135.13 : 106,445.07 = 43,601.13 : x
  2. Step 2: Convert to fraction form
    77,135.13/106,445.07 = 43,601.13/x
  3. Step 3: Cross multiply
    77,135.13x = 106,445.07 × 43,601.13
  4. Step 4: Simplify right side
    77,135.13x = 4,641,125,334.93
  5. Step 5: Solve for x
    x = 4,641,125,334.93/77,135.13
  6. Step 6: Final answer
    x = 60,168.76

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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.