Home / 112,592.42-155,376.21-61,604.56

Finding the Fourth Proportional to 112,592.42, 155,376.21 and 61,604.56

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Solution

The fourth proportional to 112,592.42, 155,376.21 and 61,604.56 is: 85,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,592.42 : 155,376.21 = 61,604.56 : x
  2. Step 2: Convert to fraction form
    112,592.42/155,376.21 = 61,604.56/x
  3. Step 3: Cross multiply
    112,592.42x = 155,376.21 × 61,604.56
  4. Step 4: Simplify right side
    112,592.42x = 9,571,881,966.61
  5. Step 5: Solve for x
    x = 9,571,881,966.61/112,592.42
  6. Step 6: Final answer
    x = 85,013.56

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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.