Home / 100,526.14-150,559.53-47,972.53

Finding the Fourth Proportional to 100,526.14, 150,559.53 and 47,972.53

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Solution

The fourth proportional to 100,526.14, 150,559.53 and 47,972.53 is: 71,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,526.14 : 150,559.53 = 47,972.53 : x
  2. Step 2: Convert to fraction form
    100,526.14/150,559.53 = 47,972.53/x
  3. Step 3: Cross multiply
    100,526.14x = 150,559.53 × 47,972.53
  4. Step 4: Simplify right side
    100,526.14x = 7,222,721,569.71
  5. Step 5: Solve for x
    x = 7,222,721,569.71/100,526.14
  6. Step 6: Final answer
    x = 71,849.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.