Home / 68,360.13-102,341.62-39,810.04

Finding the Fourth Proportional to 68,360.13, 102,341.62 and 39,810.04

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Solution

The fourth proportional to 68,360.13, 102,341.62 and 39,810.04 is: 59,599.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,360.13 : 102,341.62 = 39,810.04 : x
  2. Step 2: Convert to fraction form
    68,360.13/102,341.62 = 39,810.04/x
  3. Step 3: Cross multiply
    68,360.13x = 102,341.62 × 39,810.04
  4. Step 4: Simplify right side
    68,360.13x = 4,074,223,275.11
  5. Step 5: Solve for x
    x = 4,074,223,275.11/68,360.13
  6. Step 6: Final answer
    x = 59,599.41

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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.