Home / 77,952.42-107,502.58-51,085.18

Finding the Fourth Proportional to 77,952.42, 107,502.58 and 51,085.18

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Solution

The fourth proportional to 77,952.42, 107,502.58 and 51,085.18 is: 70,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,952.42 : 107,502.58 = 51,085.18 : x
  2. Step 2: Convert to fraction form
    77,952.42/107,502.58 = 51,085.18/x
  3. Step 3: Cross multiply
    77,952.42x = 107,502.58 × 51,085.18
  4. Step 4: Simplify right side
    77,952.42x = 5,491,788,649.76
  5. Step 5: Solve for x
    x = 5,491,788,649.76/77,952.42
  6. Step 6: Final answer
    x = 70,450.52

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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.