Home / 84,159.30-116,111.10-47,857.14

Finding the Fourth Proportional to 84,159.30, 116,111.10 and 47,857.14

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Solution

The fourth proportional to 84,159.30, 116,111.10 and 47,857.14 is: 66,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,159.30 : 116,111.10 = 47,857.14 : x
  2. Step 2: Convert to fraction form
    84,159.30/116,111.10 = 47,857.14/x
  3. Step 3: Cross multiply
    84,159.30x = 116,111.10 × 47,857.14
  4. Step 4: Simplify right side
    84,159.30x = 5,556,745,168.25
  5. Step 5: Solve for x
    x = 5,556,745,168.25/84,159.30
  6. Step 6: Final answer
    x = 66,026.51

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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.