Home / 99,210.36-148,750.92-36,018.60

Finding the Fourth Proportional to 99,210.36, 148,750.92 and 36,018.60

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Solution

The fourth proportional to 99,210.36, 148,750.92 and 36,018.60 is: 54,004.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,210.36 : 148,750.92 = 36,018.60 : x
  2. Step 2: Convert to fraction form
    99,210.36/148,750.92 = 36,018.60/x
  3. Step 3: Cross multiply
    99,210.36x = 148,750.92 × 36,018.60
  4. Step 4: Simplify right side
    99,210.36x = 5,357,799,887.11
  5. Step 5: Solve for x
    x = 5,357,799,887.11/99,210.36
  6. Step 6: Final answer
    x = 54,004.44

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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.