Home / 125,449.10-173,120.28-68,088.51

Finding the Fourth Proportional to 125,449.10, 173,120.28 and 68,088.51

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Solution

The fourth proportional to 125,449.10, 173,120.28 and 68,088.51 is: 93,962.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,449.10 : 173,120.28 = 68,088.51 : x
  2. Step 2: Convert to fraction form
    125,449.10/173,120.28 = 68,088.51/x
  3. Step 3: Cross multiply
    125,449.10x = 173,120.28 × 68,088.51
  4. Step 4: Simplify right side
    125,449.10x = 11,787,501,684.41
  5. Step 5: Solve for x
    x = 11,787,501,684.41/125,449.10
  6. Step 6: Final answer
    x = 93,962.42

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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.