Home / 99,051.30-148,583.79-39,887.10

Finding the Fourth Proportional to 99,051.30, 148,583.79 and 39,887.10

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Solution

The fourth proportional to 99,051.30, 148,583.79 and 39,887.10 is: 59,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,051.30 : 148,583.79 = 39,887.10 : x
  2. Step 2: Convert to fraction form
    99,051.30/148,583.79 = 39,887.10/x
  3. Step 3: Cross multiply
    99,051.30x = 148,583.79 × 39,887.10
  4. Step 4: Simplify right side
    99,051.30x = 5,926,576,490.11
  5. Step 5: Solve for x
    x = 5,926,576,490.11/99,051.30
  6. Step 6: Final answer
    x = 59,833.40

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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.