Home / 70,868.06-97,891.40-52,931.96

Finding the Fourth Proportional to 70,868.06, 97,891.40 and 52,931.96

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Solution

The fourth proportional to 70,868.06, 97,891.40 and 52,931.96 is: 73,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,868.06 : 97,891.40 = 52,931.96 : x
  2. Step 2: Convert to fraction form
    70,868.06/97,891.40 = 52,931.96/x
  3. Step 3: Cross multiply
    70,868.06x = 97,891.40 × 52,931.96
  4. Step 4: Simplify right side
    70,868.06x = 5,181,583,669.14
  5. Step 5: Solve for x
    x = 5,181,583,669.14/70,868.06
  6. Step 6: Final answer
    x = 73,115.92

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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.