Home / 112,002.40-168,080.40-49,717.60

Finding the Fourth Proportional to 112,002.40, 168,080.40 and 49,717.60

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Solution

The fourth proportional to 112,002.40, 168,080.40 and 49,717.60 is: 74,610.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,002.40 : 168,080.40 = 49,717.60 : x
  2. Step 2: Convert to fraction form
    112,002.40/168,080.40 = 49,717.60/x
  3. Step 3: Cross multiply
    112,002.40x = 168,080.40 × 49,717.60
  4. Step 4: Simplify right side
    112,002.40x = 8,356,554,095.04
  5. Step 5: Solve for x
    x = 8,356,554,095.04/112,002.40
  6. Step 6: Final answer
    x = 74,610.49

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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.