Home / 49,113.40-73,670.10-12,177.40

Finding the Fourth Proportional to 49,113.40, 73,670.10 and 12,177.40

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Solution

The fourth proportional to 49,113.40, 73,670.10 and 12,177.40 is: 18,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,113.40 : 73,670.10 = 12,177.40 : x
  2. Step 2: Convert to fraction form
    49,113.40/73,670.10 = 12,177.40/x
  3. Step 3: Cross multiply
    49,113.40x = 73,670.10 × 12,177.40
  4. Step 4: Simplify right side
    49,113.40x = 897,110,275.74
  5. Step 5: Solve for x
    x = 897,110,275.74/49,113.40
  6. Step 6: Final answer
    x = 18,266.10

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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.