Home / 107,925.16-148,954.80-65,511.96

Finding the Fourth Proportional to 107,925.16, 148,954.80 and 65,511.96

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Solution

The fourth proportional to 107,925.16, 148,954.80 and 65,511.96 is: 90,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,925.16 : 148,954.80 = 65,511.96 : x
  2. Step 2: Convert to fraction form
    107,925.16/148,954.80 = 65,511.96/x
  3. Step 3: Cross multiply
    107,925.16x = 148,954.80 × 65,511.96
  4. Step 4: Simplify right side
    107,925.16x = 9,758,320,899.41
  5. Step 5: Solve for x
    x = 9,758,320,899.41/107,925.16
  6. Step 6: Final answer
    x = 90,417.48

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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.