Home / 107,518.77-148,385.93-65,087.73

Finding the Fourth Proportional to 107,518.77, 148,385.93 and 65,087.73

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Solution

The fourth proportional to 107,518.77, 148,385.93 and 65,087.73 is: 89,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,518.77 : 148,385.93 = 65,087.73 : x
  2. Step 2: Convert to fraction form
    107,518.77/148,385.93 = 65,087.73/x
  3. Step 3: Cross multiply
    107,518.77x = 148,385.93 × 65,087.73
  4. Step 4: Simplify right side
    107,518.77x = 9,658,103,022.20
  5. Step 5: Solve for x
    x = 9,658,103,022.20/107,518.77
  6. Step 6: Final answer
    x = 89,827.13

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1.5x scale

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.