Home / 83,826.12-115,681.46-48,019.26

Finding the Fourth Proportional to 83,826.12, 115,681.46 and 48,019.26

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Solution

The fourth proportional to 83,826.12, 115,681.46 and 48,019.26 is: 66,267.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,826.12 : 115,681.46 = 48,019.26 : x
  2. Step 2: Convert to fraction form
    83,826.12/115,681.46 = 48,019.26/x
  3. Step 3: Cross multiply
    83,826.12x = 115,681.46 × 48,019.26
  4. Step 4: Simplify right side
    83,826.12x = 5,554,937,864.82
  5. Step 5: Solve for x
    x = 5,554,937,864.82/83,826.12
  6. Step 6: Final answer
    x = 66,267.39

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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.