Home / 125,689.07-173,446.48-69,100.01

Finding the Fourth Proportional to 125,689.07, 173,446.48 and 69,100.01

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Solution

The fourth proportional to 125,689.07, 173,446.48 and 69,100.01 is: 95,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,689.07 : 173,446.48 = 69,100.01 : x
  2. Step 2: Convert to fraction form
    125,689.07/173,446.48 = 69,100.01/x
  3. Step 3: Cross multiply
    125,689.07x = 173,446.48 × 69,100.01
  4. Step 4: Simplify right side
    125,689.07x = 11,985,153,502.46
  5. Step 5: Solve for x
    x = 11,985,153,502.46/125,689.07
  6. Step 6: Final answer
    x = 95,355.57

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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.