Home / 124,837.32-172,275.47-68,248.69

Finding the Fourth Proportional to 124,837.32, 172,275.47 and 68,248.69

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Solution

The fourth proportional to 124,837.32, 172,275.47 and 68,248.69 is: 94,183.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,837.32 : 172,275.47 = 68,248.69 : x
  2. Step 2: Convert to fraction form
    124,837.32/172,275.47 = 68,248.69/x
  3. Step 3: Cross multiply
    124,837.32x = 172,275.47 × 68,248.69
  4. Step 4: Simplify right side
    124,837.32x = 11,757,574,805.39
  5. Step 5: Solve for x
    x = 11,757,574,805.39/124,837.32
  6. Step 6: Final answer
    x = 94,183.18

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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.