Home / 98,724.06-136,242.33-54,012.06

Finding the Fourth Proportional to 98,724.06, 136,242.33 and 54,012.06

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Solution

The fourth proportional to 98,724.06, 136,242.33 and 54,012.06 is: 74,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,724.06 : 136,242.33 = 54,012.06 : x
  2. Step 2: Convert to fraction form
    98,724.06/136,242.33 = 54,012.06/x
  3. Step 3: Cross multiply
    98,724.06x = 136,242.33 × 54,012.06
  4. Step 4: Simplify right side
    98,724.06x = 7,358,728,902.50
  5. Step 5: Solve for x
    x = 7,358,728,902.50/98,724.06
  6. Step 6: Final answer
    x = 74,538.35

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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.