Home / 109,684.86-151,364.80-61,937.25

Finding the Fourth Proportional to 109,684.86, 151,364.80 and 61,937.25

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Solution

The fourth proportional to 109,684.86, 151,364.80 and 61,937.25 is: 85,473.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,684.86 : 151,364.80 = 61,937.25 : x
  2. Step 2: Convert to fraction form
    109,684.86/151,364.80 = 61,937.25/x
  3. Step 3: Cross multiply
    109,684.86x = 151,364.80 × 61,937.25
  4. Step 4: Simplify right side
    109,684.86x = 9,375,119,458.80
  5. Step 5: Solve for x
    x = 9,375,119,458.80/109,684.86
  6. Step 6: Final answer
    x = 85,473.23

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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.