Home / 125,035.38-172,550.88-70,590.42

Finding the Fourth Proportional to 125,035.38, 172,550.88 and 70,590.42

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Solution

The fourth proportional to 125,035.38, 172,550.88 and 70,590.42 is: 97,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,035.38 : 172,550.88 = 70,590.42 : x
  2. Step 2: Convert to fraction form
    125,035.38/172,550.88 = 70,590.42/x
  3. Step 3: Cross multiply
    125,035.38x = 172,550.88 × 70,590.42
  4. Step 4: Simplify right side
    125,035.38x = 12,180,439,090.57
  5. Step 5: Solve for x
    x = 12,180,439,090.57/125,035.38
  6. Step 6: Final answer
    x = 97,415.94

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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.