Home / 112,813.16-155,677.34-67,464.29

Finding the Fourth Proportional to 112,813.16, 155,677.34 and 67,464.29

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Solution

The fourth proportional to 112,813.16, 155,677.34 and 67,464.29 is: 93,097.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,813.16 : 155,677.34 = 67,464.29 : x
  2. Step 2: Convert to fraction form
    112,813.16/155,677.34 = 67,464.29/x
  3. Step 3: Cross multiply
    112,813.16x = 155,677.34 × 67,464.29
  4. Step 4: Simplify right side
    112,813.16x = 10,502,661,770.04
  5. Step 5: Solve for x
    x = 10,502,661,770.04/112,813.16
  6. Step 6: Final answer
    x = 93,097.85

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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.