Home / 68,337.68-94,298.82-40,038.08

Finding the Fourth Proportional to 68,337.68, 94,298.82 and 40,038.08

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Solution

The fourth proportional to 68,337.68, 94,298.82 and 40,038.08 is: 55,248.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,337.68 : 94,298.82 = 40,038.08 : x
  2. Step 2: Convert to fraction form
    68,337.68/94,298.82 = 40,038.08/x
  3. Step 3: Cross multiply
    68,337.68x = 94,298.82 × 40,038.08
  4. Step 4: Simplify right side
    68,337.68x = 3,775,543,699.07
  5. Step 5: Solve for x
    x = 3,775,543,699.07/68,337.68
  6. Step 6: Final answer
    x = 55,248.34

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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.