Home / 94,132.80-129,912.24-53,838.66

Finding the Fourth Proportional to 94,132.80, 129,912.24 and 53,838.66

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Solution

The fourth proportional to 94,132.80, 129,912.24 and 53,838.66 is: 74,302.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,132.80 : 129,912.24 = 53,838.66 : x
  2. Step 2: Convert to fraction form
    94,132.80/129,912.24 = 53,838.66/x
  3. Step 3: Cross multiply
    94,132.80x = 129,912.24 × 53,838.66
  4. Step 4: Simplify right side
    94,132.80x = 6,994,300,919.20
  5. Step 5: Solve for x
    x = 6,994,300,919.20/94,132.80
  6. Step 6: Final answer
    x = 74,302.48

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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.