Home / 66,089.13-99,199.35-51,458.10

Finding the Fourth Proportional to 66,089.13, 99,199.35 and 51,458.10

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Solution

The fourth proportional to 66,089.13, 99,199.35 and 51,458.10 is: 77,238.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,089.13 : 99,199.35 = 51,458.10 : x
  2. Step 2: Convert to fraction form
    66,089.13/99,199.35 = 51,458.10/x
  3. Step 3: Cross multiply
    66,089.13x = 99,199.35 × 51,458.10
  4. Step 4: Simplify right side
    66,089.13x = 5,104,610,072.24
  5. Step 5: Solve for x
    x = 5,104,610,072.24/66,089.13
  6. Step 6: Final answer
    x = 77,238.27

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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.