Home / 98,768.12-136,303.26-54,056.12

Finding the Fourth Proportional to 98,768.12, 136,303.26 and 54,056.12

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Solution

The fourth proportional to 98,768.12, 136,303.26 and 54,056.12 is: 74,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,768.12 : 136,303.26 = 54,056.12 : x
  2. Step 2: Convert to fraction form
    98,768.12/136,303.26 = 54,056.12/x
  3. Step 3: Cross multiply
    98,768.12x = 136,303.26 × 54,056.12
  4. Step 4: Simplify right side
    98,768.12x = 7,368,025,378.95
  5. Step 5: Solve for x
    x = 7,368,025,378.95/98,768.12
  6. Step 6: Final answer
    x = 74,599.23

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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.