Home / 70,077.62-96,707.86-38,247.05

Finding the Fourth Proportional to 70,077.62, 96,707.86 and 38,247.05

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Solution

The fourth proportional to 70,077.62, 96,707.86 and 38,247.05 is: 52,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,077.62 : 96,707.86 = 38,247.05 : x
  2. Step 2: Convert to fraction form
    70,077.62/96,707.86 = 38,247.05/x
  3. Step 3: Cross multiply
    70,077.62x = 96,707.86 × 38,247.05
  4. Step 4: Simplify right side
    70,077.62x = 3,698,790,502.97
  5. Step 5: Solve for x
    x = 3,698,790,502.97/70,077.62
  6. Step 6: Final answer
    x = 52,781.34

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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.