Home / 70,868.04-97,789.50-40,239.06

Finding the Fourth Proportional to 70,868.04, 97,789.50 and 40,239.06

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Solution

The fourth proportional to 70,868.04, 97,789.50 and 40,239.06 is: 55,525.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,868.04 : 97,789.50 = 40,239.06 : x
  2. Step 2: Convert to fraction form
    70,868.04/97,789.50 = 40,239.06/x
  3. Step 3: Cross multiply
    70,868.04x = 97,789.50 × 40,239.06
  4. Step 4: Simplify right side
    70,868.04x = 3,934,957,557.87
  5. Step 5: Solve for x
    x = 3,934,957,557.87/70,868.04
  6. Step 6: Final answer
    x = 55,525.14

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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.