Home / 78,252.48-107,987.04-44,717.76

Finding the Fourth Proportional to 78,252.48, 107,987.04 and 44,717.76

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Solution

The fourth proportional to 78,252.48, 107,987.04 and 44,717.76 is: 61,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,252.48 : 107,987.04 = 44,717.76 : x
  2. Step 2: Convert to fraction form
    78,252.48/107,987.04 = 44,717.76/x
  3. Step 3: Cross multiply
    78,252.48x = 107,987.04 × 44,717.76
  4. Step 4: Simplify right side
    78,252.48x = 4,828,938,537.83
  5. Step 5: Solve for x
    x = 4,828,938,537.83/78,252.48
  6. Step 6: Final answer
    x = 61,709.72

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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.