Home / 107,559.29-148,408.08-64,519.13

Finding the Fourth Proportional to 107,559.29, 148,408.08 and 64,519.13

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Solution

The fourth proportional to 107,559.29, 148,408.08 and 64,519.13 is: 89,022.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,559.29 : 148,408.08 = 64,519.13 : x
  2. Step 2: Convert to fraction form
    107,559.29/148,408.08 = 64,519.13/x
  3. Step 3: Cross multiply
    107,559.29x = 148,408.08 × 64,519.13
  4. Step 4: Simplify right side
    107,559.29x = 9,575,160,206.57
  5. Step 5: Solve for x
    x = 9,575,160,206.57/107,559.29
  6. Step 6: Final answer
    x = 89,022.16

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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.