Home / 99,008.06-148,509.63-28,887.98

Finding the Fourth Proportional to 99,008.06, 148,509.63 and 28,887.98

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Solution

The fourth proportional to 99,008.06, 148,509.63 and 28,887.98 is: 43,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,008.06 : 148,509.63 = 28,887.98 : x
  2. Step 2: Convert to fraction form
    99,008.06/148,509.63 = 28,887.98/x
  3. Step 3: Cross multiply
    99,008.06x = 148,509.63 × 28,887.98
  4. Step 4: Simplify right side
    99,008.06x = 4,290,143,221.25
  5. Step 5: Solve for x
    x = 4,290,143,221.25/99,008.06
  6. Step 6: Final answer
    x = 43,331.25

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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.