Home / 66,552.78-99,852.93-28,586.10

Finding the Fourth Proportional to 66,552.78, 99,852.93 and 28,586.10

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Solution

The fourth proportional to 66,552.78, 99,852.93 and 28,586.10 is: 42,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552.78 : 99,852.93 = 28,586.10 : x
  2. Step 2: Convert to fraction form
    66,552.78/99,852.93 = 28,586.10/x
  3. Step 3: Cross multiply
    66,552.78x = 99,852.93 × 28,586.10
  4. Step 4: Simplify right side
    66,552.78x = 2,854,405,842.27
  5. Step 5: Solve for x
    x = 2,854,405,842.27/66,552.78
  6. Step 6: Final answer
    x = 42,889.36

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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.