Home / 70,730.82-97,610.57-38,901.77

Finding the Fourth Proportional to 70,730.82, 97,610.57 and 38,901.77

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Solution

The fourth proportional to 70,730.82, 97,610.57 and 38,901.77 is: 53,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,730.82 : 97,610.57 = 38,901.77 : x
  2. Step 2: Convert to fraction form
    70,730.82/97,610.57 = 38,901.77/x
  3. Step 3: Cross multiply
    70,730.82x = 97,610.57 × 38,901.77
  4. Step 4: Simplify right side
    70,730.82x = 3,797,223,261.15
  5. Step 5: Solve for x
    x = 3,797,223,261.15/70,730.82
  6. Step 6: Final answer
    x = 53,685.56

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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.