Home / 125,319.22-172,938.26-70,870.52

Finding the Fourth Proportional to 125,319.22, 172,938.26 and 70,870.52

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Solution

The fourth proportional to 125,319.22, 172,938.26 and 70,870.52 is: 97,800.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,319.22 : 172,938.26 = 70,870.52 : x
  2. Step 2: Convert to fraction form
    125,319.22/172,938.26 = 70,870.52/x
  3. Step 3: Cross multiply
    125,319.22x = 172,938.26 × 70,870.52
  4. Step 4: Simplify right side
    125,319.22x = 12,256,224,414.10
  5. Step 5: Solve for x
    x = 12,256,224,414.10/125,319.22
  6. Step 6: Final answer
    x = 97,800.04

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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.