Home / 99,018.02-148,516.50-27,938.90

Finding the Fourth Proportional to 99,018.02, 148,516.50 and 27,938.90

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Solution

The fourth proportional to 99,018.02, 148,516.50 and 27,938.90 is: 41,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,018.02 : 148,516.50 = 27,938.90 : x
  2. Step 2: Convert to fraction form
    99,018.02/148,516.50 = 27,938.90/x
  3. Step 3: Cross multiply
    99,018.02x = 148,516.50 × 27,938.90
  4. Step 4: Simplify right side
    99,018.02x = 4,149,387,641.85
  5. Step 5: Solve for x
    x = 4,149,387,641.85/99,018.02
  6. Step 6: Final answer
    x = 41,905.38

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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.