Home / 94,109.45-129,871.26-51,670.71

Finding the Fourth Proportional to 94,109.45, 129,871.26 and 51,670.71

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Solution

The fourth proportional to 94,109.45, 129,871.26 and 51,670.71 is: 71,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,109.45 : 129,871.26 = 51,670.71 : x
  2. Step 2: Convert to fraction form
    94,109.45/129,871.26 = 51,670.71/x
  3. Step 3: Cross multiply
    94,109.45x = 129,871.26 × 51,670.71
  4. Step 4: Simplify right side
    94,109.45x = 6,710,540,212.79
  5. Step 5: Solve for x
    x = 6,710,540,212.79/94,109.45
  6. Step 6: Final answer
    x = 71,305.70

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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.