Home / 123,934.31-171,031.88-67,349.33

Finding the Fourth Proportional to 123,934.31, 171,031.88 and 67,349.33

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Solution

The fourth proportional to 123,934.31, 171,031.88 and 67,349.33 is: 92,943.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,934.31 : 171,031.88 = 67,349.33 : x
  2. Step 2: Convert to fraction form
    123,934.31/171,031.88 = 67,349.33/x
  3. Step 3: Cross multiply
    123,934.31x = 171,031.88 × 67,349.33
  4. Step 4: Simplify right side
    123,934.31x = 11,518,882,526.64
  5. Step 5: Solve for x
    x = 11,518,882,526.64/123,934.31
  6. Step 6: Final answer
    x = 92,943.45

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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.