Home / 78,862.17-108,828.36-44,869.92

Finding the Fourth Proportional to 78,862.17, 108,828.36 and 44,869.92

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Solution

The fourth proportional to 78,862.17, 108,828.36 and 44,869.92 is: 61,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,862.17 : 108,828.36 = 44,869.92 : x
  2. Step 2: Convert to fraction form
    78,862.17/108,828.36 = 44,869.92/x
  3. Step 3: Cross multiply
    78,862.17x = 108,828.36 × 44,869.92
  4. Step 4: Simplify right side
    78,862.17x = 4,883,119,398.82
  5. Step 5: Solve for x
    x = 4,883,119,398.82/78,862.17
  6. Step 6: Final answer
    x = 61,919.67

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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.