Home / 102,387.44-153,646.77-49,768.22

Finding the Fourth Proportional to 102,387.44, 153,646.77 and 49,768.22

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Solution

The fourth proportional to 102,387.44, 153,646.77 and 49,768.22 is: 74,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,387.44 : 153,646.77 = 49,768.22 : x
  2. Step 2: Convert to fraction form
    102,387.44/153,646.77 = 49,768.22/x
  3. Step 3: Cross multiply
    102,387.44x = 153,646.77 × 49,768.22
  4. Step 4: Simplify right side
    102,387.44x = 7,646,726,822.40
  5. Step 5: Solve for x
    x = 7,646,726,822.40/102,387.44
  6. Step 6: Final answer
    x = 74,684.23

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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.