Home / 77,975.64-116,853.30-60,363

Finding the Fourth Proportional to 77,975.64, 116,853.30 and 60,363

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Solution

The fourth proportional to 77,975.64, 116,853.30 and 60,363 is: 90,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,975.64 : 116,853.30 = 60,363 : x
  2. Step 2: Convert to fraction form
    77,975.64/116,853.30 = 60,363/x
  3. Step 3: Cross multiply
    77,975.64x = 116,853.30 × 60,363
  4. Step 4: Simplify right side
    77,975.64x = 7,053,615,747.90
  5. Step 5: Solve for x
    x = 7,053,615,747.90/77,975.64
  6. Step 6: Final answer
    x = 90,459.22

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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.