Home / 45,983.50-63,463.10-28,074.70

Finding the Fourth Proportional to 45,983.50, 63,463.10 and 28,074.70

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Solution

The fourth proportional to 45,983.50, 63,463.10 and 28,074.70 is: 38,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,983.50 : 63,463.10 = 28,074.70 : x
  2. Step 2: Convert to fraction form
    45,983.50/63,463.10 = 28,074.70/x
  3. Step 3: Cross multiply
    45,983.50x = 63,463.10 × 28,074.70
  4. Step 4: Simplify right side
    45,983.50x = 1,781,707,432.53
  5. Step 5: Solve for x
    x = 1,781,707,432.53/45,983.50
  6. Step 6: Final answer
    x = 38,746.67

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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.