Home / 74,882.40-112,323.60-49,999.20

Finding the Fourth Proportional to 74,882.40, 112,323.60 and 49,999.20

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Solution

The fourth proportional to 74,882.40, 112,323.60 and 49,999.20 is: 74,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,882.40 : 112,323.60 = 49,999.20 : x
  2. Step 2: Convert to fraction form
    74,882.40/112,323.60 = 49,999.20/x
  3. Step 3: Cross multiply
    74,882.40x = 112,323.60 × 49,999.20
  4. Step 4: Simplify right side
    74,882.40x = 5,616,090,141.12
  5. Step 5: Solve for x
    x = 5,616,090,141.12/74,882.40
  6. Step 6: Final answer
    x = 74,998.80

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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.