Home / 125,385.17-173,031-68,795.33

Finding the Fourth Proportional to 125,385.17, 173,031 and 68,795.33

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Solution

The fourth proportional to 125,385.17, 173,031 and 68,795.33 is: 94,937.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,385.17 : 173,031 = 68,795.33 : x
  2. Step 2: Convert to fraction form
    125,385.17/173,031 = 68,795.33/x
  3. Step 3: Cross multiply
    125,385.17x = 173,031 × 68,795.33
  4. Step 4: Simplify right side
    125,385.17x = 11,903,724,745.23
  5. Step 5: Solve for x
    x = 11,903,724,745.23/125,385.17
  6. Step 6: Final answer
    x = 94,937.26

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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.