Home / 98,759.14-136,287.03-56,316.76

Finding the Fourth Proportional to 98,759.14, 136,287.03 and 56,316.76

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Solution

The fourth proportional to 98,759.14, 136,287.03 and 56,316.76 is: 77,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,759.14 : 136,287.03 = 56,316.76 : x
  2. Step 2: Convert to fraction form
    98,759.14/136,287.03 = 56,316.76/x
  3. Step 3: Cross multiply
    98,759.14x = 136,287.03 × 56,316.76
  4. Step 4: Simplify right side
    98,759.14x = 7,675,243,959.62
  5. Step 5: Solve for x
    x = 7,675,243,959.62/98,759.14
  6. Step 6: Final answer
    x = 77,716.80

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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.