Home / 112,851.84-155,731.68-62,549.76

Finding the Fourth Proportional to 112,851.84, 155,731.68 and 62,549.76

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Solution

The fourth proportional to 112,851.84, 155,731.68 and 62,549.76 is: 86,316.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,851.84 : 155,731.68 = 62,549.76 : x
  2. Step 2: Convert to fraction form
    112,851.84/155,731.68 = 62,549.76/x
  3. Step 3: Cross multiply
    112,851.84x = 155,731.68 × 62,549.76
  4. Step 4: Simplify right side
    112,851.84x = 9,740,979,208.40
  5. Step 5: Solve for x
    x = 9,740,979,208.40/112,851.84
  6. Step 6: Final answer
    x = 86,316.53

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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.