Home / 112,750.35-155,598-64,351.31

Finding the Fourth Proportional to 112,750.35, 155,598 and 64,351.31

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Solution

The fourth proportional to 112,750.35, 155,598 and 64,351.31 is: 88,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,750.35 : 155,598 = 64,351.31 : x
  2. Step 2: Convert to fraction form
    112,750.35/155,598 = 64,351.31/x
  3. Step 3: Cross multiply
    112,750.35x = 155,598 × 64,351.31
  4. Step 4: Simplify right side
    112,750.35x = 10,012,935,133.38
  5. Step 5: Solve for x
    x = 10,012,935,133.38/112,750.35
  6. Step 6: Final answer
    x = 88,806.24

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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.