Home / 98,571.14-136,073.58-57,729.58

Finding the Fourth Proportional to 98,571.14, 136,073.58 and 57,729.58

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Solution

The fourth proportional to 98,571.14, 136,073.58 and 57,729.58 is: 79,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,571.14 : 136,073.58 = 57,729.58 : x
  2. Step 2: Convert to fraction form
    98,571.14/136,073.58 = 57,729.58/x
  3. Step 3: Cross multiply
    98,571.14x = 136,073.58 × 57,729.58
  4. Step 4: Simplify right side
    98,571.14x = 7,855,470,065.83
  5. Step 5: Solve for x
    x = 7,855,470,065.83/98,571.14
  6. Step 6: Final answer
    x = 79,693.41

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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.