Home / 84,588.20-126,895.38-25,417.16

Finding the Fourth Proportional to 84,588.20, 126,895.38 and 25,417.16

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Solution

The fourth proportional to 84,588.20, 126,895.38 and 25,417.16 is: 38,129.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,588.20 : 126,895.38 = 25,417.16 : x
  2. Step 2: Convert to fraction form
    84,588.20/126,895.38 = 25,417.16/x
  3. Step 3: Cross multiply
    84,588.20x = 126,895.38 × 25,417.16
  4. Step 4: Simplify right side
    84,588.20x = 3,225,320,176.72
  5. Step 5: Solve for x
    x = 3,225,320,176.72/84,588.20
  6. Step 6: Final answer
    x = 38,129.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.