Home / 125,735.95-173,512.15-69,147.32

Finding the Fourth Proportional to 125,735.95, 173,512.15 and 69,147.32

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Solution

The fourth proportional to 125,735.95, 173,512.15 and 69,147.32 is: 95,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,735.95 : 173,512.15 = 69,147.32 : x
  2. Step 2: Convert to fraction form
    125,735.95/173,512.15 = 69,147.32/x
  3. Step 3: Cross multiply
    125,735.95x = 173,512.15 × 69,147.32
  4. Step 4: Simplify right side
    125,735.95x = 11,997,900,159.94
  5. Step 5: Solve for x
    x = 11,997,900,159.94/125,735.95
  6. Step 6: Final answer
    x = 95,421.40

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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.