Home / 84,381.57-116,442.47-48,091.51

Finding the Fourth Proportional to 84,381.57, 116,442.47 and 48,091.51

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Solution

The fourth proportional to 84,381.57, 116,442.47 and 48,091.51 is: 66,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,381.57 : 116,442.47 = 48,091.51 : x
  2. Step 2: Convert to fraction form
    84,381.57/116,442.47 = 48,091.51/x
  3. Step 3: Cross multiply
    84,381.57x = 116,442.47 × 48,091.51
  4. Step 4: Simplify right side
    84,381.57x = 5,599,894,476.21
  5. Step 5: Solve for x
    x = 5,599,894,476.21/84,381.57
  6. Step 6: Final answer
    x = 66,363.95

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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.