Home / 45,232.11-67,480.92-42,782.67

Finding the Fourth Proportional to 45,232.11, 67,480.92 and 42,782.67

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Solution

The fourth proportional to 45,232.11, 67,480.92 and 42,782.67 is: 63,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,232.11 : 67,480.92 = 42,782.67 : x
  2. Step 2: Convert to fraction form
    45,232.11/67,480.92 = 42,782.67/x
  3. Step 3: Cross multiply
    45,232.11x = 67,480.92 × 42,782.67
  4. Step 4: Simplify right side
    45,232.11x = 2,887,013,931.66
  5. Step 5: Solve for x
    x = 2,887,013,931.66/45,232.11
  6. Step 6: Final answer
    x = 63,826.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.