Home / 107,897.43-148,837.40-67,541.11

Finding the Fourth Proportional to 107,897.43, 148,837.40 and 67,541.11

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Solution

The fourth proportional to 107,897.43, 148,837.40 and 67,541.11 is: 93,168.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,897.43 : 148,837.40 = 67,541.11 : x
  2. Step 2: Convert to fraction form
    107,897.43/148,837.40 = 67,541.11/x
  3. Step 3: Cross multiply
    107,897.43x = 148,837.40 × 67,541.11
  4. Step 4: Simplify right side
    107,897.43x = 10,052,642,748.99
  5. Step 5: Solve for x
    x = 10,052,642,748.99/107,897.43
  6. Step 6: Final answer
    x = 93,168.51

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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.