Home / 73,006.73-100,740.13-42,785.13

Finding the Fourth Proportional to 73,006.73, 100,740.13 and 42,785.13

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Solution

The fourth proportional to 73,006.73, 100,740.13 and 42,785.13 is: 59,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,006.73 : 100,740.13 = 42,785.13 : x
  2. Step 2: Convert to fraction form
    73,006.73/100,740.13 = 42,785.13/x
  3. Step 3: Cross multiply
    73,006.73x = 100,740.13 × 42,785.13
  4. Step 4: Simplify right side
    73,006.73x = 4,310,179,558.27
  5. Step 5: Solve for x
    x = 4,310,179,558.27/73,006.73
  6. Step 6: Final answer
    x = 59,038.11

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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.