Home / 49,688.27-74,532.45-12,248.99

Finding the Fourth Proportional to 49,688.27, 74,532.45 and 12,248.99

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Solution

The fourth proportional to 49,688.27, 74,532.45 and 12,248.99 is: 18,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,688.27 : 74,532.45 = 12,248.99 : x
  2. Step 2: Convert to fraction form
    49,688.27/74,532.45 = 12,248.99/x
  3. Step 3: Cross multiply
    49,688.27x = 74,532.45 × 12,248.99
  4. Step 4: Simplify right side
    49,688.27x = 912,947,187.49
  5. Step 5: Solve for x
    x = 912,947,187.49/49,688.27
  6. Step 6: Final answer
    x = 18,373.50

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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.