Home / 125,784.40-173,572.98-69,199.42

Finding the Fourth Proportional to 125,784.40, 173,572.98 and 69,199.42

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Solution

The fourth proportional to 125,784.40, 173,572.98 and 69,199.42 is: 95,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,784.40 : 173,572.98 = 69,199.42 : x
  2. Step 2: Convert to fraction form
    125,784.40/173,572.98 = 69,199.42/x
  3. Step 3: Cross multiply
    125,784.40x = 173,572.98 × 69,199.42
  4. Step 4: Simplify right side
    125,784.40x = 12,011,149,543.67
  5. Step 5: Solve for x
    x = 12,011,149,543.67/125,784.40
  6. Step 6: Final answer
    x = 95,489.98

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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.