Home / 77,218.12-115,802.46-24,615.28

Finding the Fourth Proportional to 77,218.12, 115,802.46 and 24,615.28

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Solution

The fourth proportional to 77,218.12, 115,802.46 and 24,615.28 is: 36,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,218.12 : 115,802.46 = 24,615.28 : x
  2. Step 2: Convert to fraction form
    77,218.12/115,802.46 = 24,615.28/x
  3. Step 3: Cross multiply
    77,218.12x = 115,802.46 × 24,615.28
  4. Step 4: Simplify right side
    77,218.12x = 2,850,509,977.59
  5. Step 5: Solve for x
    x = 2,850,509,977.59/77,218.12
  6. Step 6: Final answer
    x = 36,915.04

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1.5x scale

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.