Home / 70,242.13-96,934.66-39,615.63

Finding the Fourth Proportional to 70,242.13, 96,934.66 and 39,615.63

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Solution

The fourth proportional to 70,242.13, 96,934.66 and 39,615.63 is: 54,669.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,242.13 : 96,934.66 = 39,615.63 : x
  2. Step 2: Convert to fraction form
    70,242.13/96,934.66 = 39,615.63/x
  3. Step 3: Cross multiply
    70,242.13x = 96,934.66 × 39,615.63
  4. Step 4: Simplify right side
    70,242.13x = 3,840,127,162.19
  5. Step 5: Solve for x
    x = 3,840,127,162.19/70,242.13
  6. Step 6: Final answer
    x = 54,669.86

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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.