Home / 99,370.93-149,001.04-51,867.13

Finding the Fourth Proportional to 99,370.93, 149,001.04 and 51,867.13

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Solution

The fourth proportional to 99,370.93, 149,001.04 and 51,867.13 is: 77,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,370.93 : 149,001.04 = 51,867.13 : x
  2. Step 2: Convert to fraction form
    99,370.93/149,001.04 = 51,867.13/x
  3. Step 3: Cross multiply
    99,370.93x = 149,001.04 × 51,867.13
  4. Step 4: Simplify right side
    99,370.93x = 7,728,256,311.82
  5. Step 5: Solve for x
    x = 7,728,256,311.82/99,370.93
  6. Step 6: Final answer
    x = 77,771.80

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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.