Home / 75,445.11-104,116.49-41,455.71

Finding the Fourth Proportional to 75,445.11, 104,116.49 and 41,455.71

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Solution

The fourth proportional to 75,445.11, 104,116.49 and 41,455.71 is: 57,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,445.11 : 104,116.49 = 41,455.71 : x
  2. Step 2: Convert to fraction form
    75,445.11/104,116.49 = 41,455.71/x
  3. Step 3: Cross multiply
    75,445.11x = 104,116.49 × 41,455.71
  4. Step 4: Simplify right side
    75,445.11x = 4,316,222,808.38
  5. Step 5: Solve for x
    x = 4,316,222,808.38/75,445.11
  6. Step 6: Final answer
    x = 57,210.11

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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.