Home / 45,545.92-68,320.92-13,953.67

Finding the Fourth Proportional to 45,545.92, 68,320.92 and 13,953.67

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Solution

The fourth proportional to 45,545.92, 68,320.92 and 13,953.67 is: 20,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,545.92 : 68,320.92 = 13,953.67 : x
  2. Step 2: Convert to fraction form
    45,545.92/68,320.92 = 13,953.67/x
  3. Step 3: Cross multiply
    45,545.92x = 68,320.92 × 13,953.67
  4. Step 4: Simplify right side
    45,545.92x = 953,327,374.81
  5. Step 5: Solve for x
    x = 953,327,374.81/45,545.92
  6. Step 6: Final answer
    x = 20,931.13

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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.