Home / 70,510.12-97,305.32-38,677.12

Finding the Fourth Proportional to 70,510.12, 97,305.32 and 38,677.12

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Solution

The fourth proportional to 70,510.12, 97,305.32 and 38,677.12 is: 53,375.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,510.12 : 97,305.32 = 38,677.12 : x
  2. Step 2: Convert to fraction form
    70,510.12/97,305.32 = 38,677.12/x
  3. Step 3: Cross multiply
    70,510.12x = 97,305.32 × 38,677.12
  4. Step 4: Simplify right side
    70,510.12x = 3,763,489,538.28
  5. Step 5: Solve for x
    x = 3,763,489,538.28/70,510.12
  6. Step 6: Final answer
    x = 53,375.17

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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.