Home / 68,774.11-94,925.16-41,931.42

Finding the Fourth Proportional to 68,774.11, 94,925.16 and 41,931.42

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Solution

The fourth proportional to 68,774.11, 94,925.16 and 41,931.42 is: 57,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,774.11 : 94,925.16 = 41,931.42 : x
  2. Step 2: Convert to fraction form
    68,774.11/94,925.16 = 41,931.42/x
  3. Step 3: Cross multiply
    68,774.11x = 94,925.16 × 41,931.42
  4. Step 4: Simplify right side
    68,774.11x = 3,980,346,542.87
  5. Step 5: Solve for x
    x = 3,980,346,542.87/68,774.11
  6. Step 6: Final answer
    x = 57,875.65

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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.