Home / 92,606.28-138,707.10-56,959.08

Finding the Fourth Proportional to 92,606.28, 138,707.10 and 56,959.08

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Solution

The fourth proportional to 92,606.28, 138,707.10 and 56,959.08 is: 85,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,606.28 : 138,707.10 = 56,959.08 : x
  2. Step 2: Convert to fraction form
    92,606.28/138,707.10 = 56,959.08/x
  3. Step 3: Cross multiply
    92,606.28x = 138,707.10 × 56,959.08
  4. Step 4: Simplify right side
    92,606.28x = 7,900,628,805.47
  5. Step 5: Solve for x
    x = 7,900,628,805.47/92,606.28
  6. Step 6: Final answer
    x = 85,314.18

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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.