Home / 89,641.80-134,430.57-29,659.23

Finding the Fourth Proportional to 89,641.80, 134,430.57 and 29,659.23

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Solution

The fourth proportional to 89,641.80, 134,430.57 and 29,659.23 is: 44,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,641.80 : 134,430.57 = 29,659.23 : x
  2. Step 2: Convert to fraction form
    89,641.80/134,430.57 = 29,659.23/x
  3. Step 3: Cross multiply
    89,641.80x = 134,430.57 × 29,659.23
  4. Step 4: Simplify right side
    89,641.80x = 3,987,107,194.66
  5. Step 5: Solve for x
    x = 3,987,107,194.66/89,641.80
  6. Step 6: Final answer
    x = 44,478.21

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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.