Home / 103,934.88-143,430.75-58,613.76

Finding the Fourth Proportional to 103,934.88, 143,430.75 and 58,613.76

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Solution

The fourth proportional to 103,934.88, 143,430.75 and 58,613.76 is: 80,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,934.88 : 143,430.75 = 58,613.76 : x
  2. Step 2: Convert to fraction form
    103,934.88/143,430.75 = 58,613.76/x
  3. Step 3: Cross multiply
    103,934.88x = 143,430.75 × 58,613.76
  4. Step 4: Simplify right side
    103,934.88x = 8,407,015,557.12
  5. Step 5: Solve for x
    x = 8,407,015,557.12/103,934.88
  6. Step 6: Final answer
    x = 80,887.34

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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.