Home / 74,055.60-111,083.40-49,123.80

Finding the Fourth Proportional to 74,055.60, 111,083.40 and 49,123.80

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Solution

The fourth proportional to 74,055.60, 111,083.40 and 49,123.80 is: 73,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,055.60 : 111,083.40 = 49,123.80 : x
  2. Step 2: Convert to fraction form
    74,055.60/111,083.40 = 49,123.80/x
  3. Step 3: Cross multiply
    74,055.60x = 111,083.40 × 49,123.80
  4. Step 4: Simplify right side
    74,055.60x = 5,456,838,724.92
  5. Step 5: Solve for x
    x = 5,456,838,724.92/74,055.60
  6. Step 6: Final answer
    x = 73,685.70

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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.