Home / 84,686.76-116,859.31-48,888.30

Finding the Fourth Proportional to 84,686.76, 116,859.31 and 48,888.30

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Solution

The fourth proportional to 84,686.76, 116,859.31 and 48,888.30 is: 67,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,686.76 : 116,859.31 = 48,888.30 : x
  2. Step 2: Convert to fraction form
    84,686.76/116,859.31 = 48,888.30/x
  3. Step 3: Cross multiply
    84,686.76x = 116,859.31 × 48,888.30
  4. Step 4: Simplify right side
    84,686.76x = 5,713,053,005.07
  5. Step 5: Solve for x
    x = 5,713,053,005.07/84,686.76
  6. Step 6: Final answer
    x = 67,460.99

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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.