Home / 107,558.29-148,406.70-64,518.13

Finding the Fourth Proportional to 107,558.29, 148,406.70 and 64,518.13

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Solution

The fourth proportional to 107,558.29, 148,406.70 and 64,518.13 is: 89,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,558.29 : 148,406.70 = 64,518.13 : x
  2. Step 2: Convert to fraction form
    107,558.29/148,406.70 = 64,518.13/x
  3. Step 3: Cross multiply
    107,558.29x = 148,406.70 × 64,518.13
  4. Step 4: Simplify right side
    107,558.29x = 9,574,922,763.47
  5. Step 5: Solve for x
    x = 9,574,922,763.47/107,558.29
  6. Step 6: Final answer
    x = 89,020.78

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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.