Home / 107,317.76-148,112.15-64,876.19

Finding the Fourth Proportional to 107,317.76, 148,112.15 and 64,876.19

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Solution

The fourth proportional to 107,317.76, 148,112.15 and 64,876.19 is: 89,537.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,317.76 : 148,112.15 = 64,876.19 : x
  2. Step 2: Convert to fraction form
    107,317.76/148,112.15 = 64,876.19/x
  3. Step 3: Cross multiply
    107,317.76x = 148,112.15 × 64,876.19
  4. Step 4: Simplify right side
    107,317.76x = 9,608,950,919.77
  5. Step 5: Solve for x
    x = 9,608,950,919.77/107,317.76
  6. Step 6: Final answer
    x = 89,537.38

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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.