Home / 125,064.41-172,588.85-67,703.69

Finding the Fourth Proportional to 125,064.41, 172,588.85 and 67,703.69

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Solution

The fourth proportional to 125,064.41, 172,588.85 and 67,703.69 is: 93,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,064.41 : 172,588.85 = 67,703.69 : x
  2. Step 2: Convert to fraction form
    125,064.41/172,588.85 = 67,703.69/x
  3. Step 3: Cross multiply
    125,064.41x = 172,588.85 × 67,703.69
  4. Step 4: Simplify right side
    125,064.41x = 11,684,901,997.86
  5. Step 5: Solve for x
    x = 11,684,901,997.86/125,064.41
  6. Step 6: Final answer
    x = 93,431.07

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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.