Home / 99,229.56-136,937.04-53,907.15

Finding the Fourth Proportional to 99,229.56, 136,937.04 and 53,907.15

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Solution

The fourth proportional to 99,229.56, 136,937.04 and 53,907.15 is: 74,392.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,229.56 : 136,937.04 = 53,907.15 : x
  2. Step 2: Convert to fraction form
    99,229.56/136,937.04 = 53,907.15/x
  3. Step 3: Cross multiply
    99,229.56x = 136,937.04 × 53,907.15
  4. Step 4: Simplify right side
    99,229.56x = 7,381,885,555.84
  5. Step 5: Solve for x
    x = 7,381,885,555.84/99,229.56
  6. Step 6: Final answer
    x = 74,392.00

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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.