Home / 98,623.65-148,018.16-51,267.81

Finding the Fourth Proportional to 98,623.65, 148,018.16 and 51,267.81

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Solution

The fourth proportional to 98,623.65, 148,018.16 and 51,267.81 is: 76,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,623.65 : 148,018.16 = 51,267.81 : x
  2. Step 2: Convert to fraction form
    98,623.65/148,018.16 = 51,267.81/x
  3. Step 3: Cross multiply
    98,623.65x = 148,018.16 × 51,267.81
  4. Step 4: Simplify right side
    98,623.65x = 7,588,566,903.43
  5. Step 5: Solve for x
    x = 7,588,566,903.43/98,623.65
  6. Step 6: Final answer
    x = 76,944.70

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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.