Home / 77,395.84-116,126.56-42,294.48

Finding the Fourth Proportional to 77,395.84, 116,126.56 and 42,294.48

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Solution

The fourth proportional to 77,395.84, 116,126.56 and 42,294.48 is: 63,459.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,395.84 : 116,126.56 = 42,294.48 : x
  2. Step 2: Convert to fraction form
    77,395.84/116,126.56 = 42,294.48/x
  3. Step 3: Cross multiply
    77,395.84x = 116,126.56 × 42,294.48
  4. Step 4: Simplify right side
    77,395.84x = 4,911,512,469.39
  5. Step 5: Solve for x
    x = 4,911,512,469.39/77,395.84
  6. Step 6: Final answer
    x = 63,459.64

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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.