Home / 125,623.64-173,375.60-71,925.90

Finding the Fourth Proportional to 125,623.64, 173,375.60 and 71,925.90

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Solution

The fourth proportional to 125,623.64, 173,375.60 and 71,925.90 is: 99,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,623.64 : 173,375.60 = 71,925.90 : x
  2. Step 2: Convert to fraction form
    125,623.64/173,375.60 = 71,925.90/x
  3. Step 3: Cross multiply
    125,623.64x = 173,375.60 × 71,925.90
  4. Step 4: Simplify right side
    125,623.64x = 12,470,196,068.04
  5. Step 5: Solve for x
    x = 12,470,196,068.04/125,623.64
  6. Step 6: Final answer
    x = 99,266.32

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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.