Home / 98,934.75-136,529.96-54,222.75

Finding the Fourth Proportional to 98,934.75, 136,529.96 and 54,222.75

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Solution

The fourth proportional to 98,934.75, 136,529.96 and 54,222.75 is: 74,827.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,934.75 : 136,529.96 = 54,222.75 : x
  2. Step 2: Convert to fraction form
    98,934.75/136,529.96 = 54,222.75/x
  3. Step 3: Cross multiply
    98,934.75x = 136,529.96 × 54,222.75
  4. Step 4: Simplify right side
    98,934.75x = 7,403,029,617.48
  5. Step 5: Solve for x
    x = 7,403,029,617.48/98,934.75
  6. Step 6: Final answer
    x = 74,827.40

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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.