Home / 66,001.04-99,024.24-19,260.80

Finding the Fourth Proportional to 66,001.04, 99,024.24 and 19,260.80

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Solution

The fourth proportional to 66,001.04, 99,024.24 and 19,260.80 is: 28,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,001.04 : 99,024.24 = 19,260.80 : x
  2. Step 2: Convert to fraction form
    66,001.04/99,024.24 = 19,260.80/x
  3. Step 3: Cross multiply
    66,001.04x = 99,024.24 × 19,260.80
  4. Step 4: Simplify right side
    66,001.04x = 1,907,286,081.79
  5. Step 5: Solve for x
    x = 1,907,286,081.79/66,001.04
  6. Step 6: Final answer
    x = 28,897.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.