Home / 94,065.12-129,809.76-51,623.76

Finding the Fourth Proportional to 94,065.12, 129,809.76 and 51,623.76

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Solution

The fourth proportional to 94,065.12, 129,809.76 and 51,623.76 is: 71,240.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,065.12 : 129,809.76 = 51,623.76 : x
  2. Step 2: Convert to fraction form
    94,065.12/129,809.76 = 51,623.76/x
  3. Step 3: Cross multiply
    94,065.12x = 129,809.76 × 51,623.76
  4. Step 4: Simplify right side
    94,065.12x = 6,701,267,895.90
  5. Step 5: Solve for x
    x = 6,701,267,895.90/94,065.12
  6. Step 6: Final answer
    x = 71,240.73

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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.