Home / 68,221.47-94,152.55-38,011.71

Finding the Fourth Proportional to 68,221.47, 94,152.55 and 38,011.71

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Solution

The fourth proportional to 68,221.47, 94,152.55 and 38,011.71 is: 52,460.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,221.47 : 94,152.55 = 38,011.71 : x
  2. Step 2: Convert to fraction form
    68,221.47/94,152.55 = 38,011.71/x
  3. Step 3: Cross multiply
    68,221.47x = 94,152.55 × 38,011.71
  4. Step 4: Simplify right side
    68,221.47x = 3,578,899,426.36
  5. Step 5: Solve for x
    x = 3,578,899,426.36/68,221.47
  6. Step 6: Final answer
    x = 52,460.02

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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.