Home / 75,390.42-104,031.06-43,569.56

Finding the Fourth Proportional to 75,390.42, 104,031.06 and 43,569.56

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Solution

The fourth proportional to 75,390.42, 104,031.06 and 43,569.56 is: 60,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,390.42 : 104,031.06 = 43,569.56 : x
  2. Step 2: Convert to fraction form
    75,390.42/104,031.06 = 43,569.56/x
  3. Step 3: Cross multiply
    75,390.42x = 104,031.06 × 43,569.56
  4. Step 4: Simplify right side
    75,390.42x = 4,532,587,510.53
  5. Step 5: Solve for x
    x = 4,532,587,510.53/75,390.42
  6. Step 6: Final answer
    x = 60,121.53

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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.