Home / 125,292.03-172,900.89-70,843.32

Finding the Fourth Proportional to 125,292.03, 172,900.89 and 70,843.32

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Solution

The fourth proportional to 125,292.03, 172,900.89 and 70,843.32 is: 97,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,292.03 : 172,900.89 = 70,843.32 : x
  2. Step 2: Convert to fraction form
    125,292.03/172,900.89 = 70,843.32/x
  3. Step 3: Cross multiply
    125,292.03x = 172,900.89 × 70,843.32
  4. Step 4: Simplify right side
    125,292.03x = 12,248,873,078.55
  5. Step 5: Solve for x
    x = 12,248,873,078.55/125,292.03
  6. Step 6: Final answer
    x = 97,762.59

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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.