Home / 66,127.48-99,166.61-26,663.06

Finding the Fourth Proportional to 66,127.48, 99,166.61 and 26,663.06

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Solution

The fourth proportional to 66,127.48, 99,166.61 and 26,663.06 is: 39,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,127.48 : 99,166.61 = 26,663.06 : x
  2. Step 2: Convert to fraction form
    66,127.48/99,166.61 = 26,663.06/x
  3. Step 3: Cross multiply
    66,127.48x = 99,166.61 × 26,663.06
  4. Step 4: Simplify right side
    66,127.48x = 2,644,085,587.00
  5. Step 5: Solve for x
    x = 2,644,085,587.00/66,127.48
  6. Step 6: Final answer
    x = 39,984.67

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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.