Home / 83,682.24-115,482.12-47,870.04

Finding the Fourth Proportional to 83,682.24, 115,482.12 and 47,870.04

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Solution

The fourth proportional to 83,682.24, 115,482.12 and 47,870.04 is: 66,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,682.24 : 115,482.12 = 47,870.04 : x
  2. Step 2: Convert to fraction form
    83,682.24/115,482.12 = 47,870.04/x
  3. Step 3: Cross multiply
    83,682.24x = 115,482.12 × 47,870.04
  4. Step 4: Simplify right side
    83,682.24x = 5,528,133,703.68
  5. Step 5: Solve for x
    x = 5,528,133,703.68/83,682.24
  6. Step 6: Final answer
    x = 66,061.01

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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.