Home / 70,186.86-96,858.18-38,356.29

Finding the Fourth Proportional to 70,186.86, 96,858.18 and 38,356.29

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Solution

The fourth proportional to 70,186.86, 96,858.18 and 38,356.29 is: 52,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,186.86 : 96,858.18 = 38,356.29 : x
  2. Step 2: Convert to fraction form
    70,186.86/96,858.18 = 38,356.29/x
  3. Step 3: Cross multiply
    70,186.86x = 96,858.18 × 38,356.29
  4. Step 4: Simplify right side
    70,186.86x = 3,715,120,440.95
  5. Step 5: Solve for x
    x = 3,715,120,440.95/70,186.86
  6. Step 6: Final answer
    x = 52,931.85

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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.