Home / 99,122.96-148,665.54-28,045.01

Finding the Fourth Proportional to 99,122.96, 148,665.54 and 28,045.01

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Solution

The fourth proportional to 99,122.96, 148,665.54 and 28,045.01 is: 42,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,122.96 : 148,665.54 = 28,045.01 : x
  2. Step 2: Convert to fraction form
    99,122.96/148,665.54 = 28,045.01/x
  3. Step 3: Cross multiply
    99,122.96x = 148,665.54 × 28,045.01
  4. Step 4: Simplify right side
    99,122.96x = 4,169,326,555.96
  5. Step 5: Solve for x
    x = 4,169,326,555.96/99,122.96
  6. Step 6: Final answer
    x = 42,062.17

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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.