Home / 98,803.61-136,427.57-91,247.18

Finding the Fourth Proportional to 98,803.61, 136,427.57 and 91,247.18

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Solution

The fourth proportional to 98,803.61, 136,427.57 and 91,247.18 is: 125,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,803.61 : 136,427.57 = 91,247.18 : x
  2. Step 2: Convert to fraction form
    98,803.61/136,427.57 = 91,247.18/x
  3. Step 3: Cross multiply
    98,803.61x = 136,427.57 × 91,247.18
  4. Step 4: Simplify right side
    98,803.61x = 12,448,629,898.38
  5. Step 5: Solve for x
    x = 12,448,629,898.38/98,803.61
  6. Step 6: Final answer
    x = 125,993.68

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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.