Home / 68,315.06-94,275.30-38,102.36

Finding the Fourth Proportional to 68,315.06, 94,275.30 and 38,102.36

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Solution

The fourth proportional to 68,315.06, 94,275.30 and 38,102.36 is: 52,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,315.06 : 94,275.30 = 38,102.36 : x
  2. Step 2: Convert to fraction form
    68,315.06/94,275.30 = 38,102.36/x
  3. Step 3: Cross multiply
    68,315.06x = 94,275.30 × 38,102.36
  4. Step 4: Simplify right side
    68,315.06x = 3,592,111,419.71
  5. Step 5: Solve for x
    x = 3,592,111,419.71/68,315.06
  6. Step 6: Final answer
    x = 52,581.55

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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.