Home / 125,723.64-173,587.50-83,370.36

Finding the Fourth Proportional to 125,723.64, 173,587.50 and 83,370.36

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Solution

The fourth proportional to 125,723.64, 173,587.50 and 83,370.36 is: 115,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,723.64 : 173,587.50 = 83,370.36 : x
  2. Step 2: Convert to fraction form
    125,723.64/173,587.50 = 83,370.36/x
  3. Step 3: Cross multiply
    125,723.64x = 173,587.50 × 83,370.36
  4. Step 4: Simplify right side
    125,723.64x = 14,472,052,366.50
  5. Step 5: Solve for x
    x = 14,472,052,366.50/125,723.64
  6. Step 6: Final answer
    x = 115,110.03

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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.