Home / 112,511.88-155,268.66-61,527.84

Finding the Fourth Proportional to 112,511.88, 155,268.66 and 61,527.84

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Solution

The fourth proportional to 112,511.88, 155,268.66 and 61,527.84 is: 84,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,511.88 : 155,268.66 = 61,527.84 : x
  2. Step 2: Convert to fraction form
    112,511.88/155,268.66 = 61,527.84/x
  3. Step 3: Cross multiply
    112,511.88x = 155,268.66 × 61,527.84
  4. Step 4: Simplify right side
    112,511.88x = 9,553,345,269.49
  5. Step 5: Solve for x
    x = 9,553,345,269.49/112,511.88
  6. Step 6: Final answer
    x = 84,909.66

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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.