Home / 77,972.10-116,967.28-27,355.64

Finding the Fourth Proportional to 77,972.10, 116,967.28 and 27,355.64

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Solution

The fourth proportional to 77,972.10, 116,967.28 and 27,355.64 is: 41,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,972.10 : 116,967.28 = 27,355.64 : x
  2. Step 2: Convert to fraction form
    77,972.10/116,967.28 = 27,355.64/x
  3. Step 3: Cross multiply
    77,972.10x = 116,967.28 × 27,355.64
  4. Step 4: Simplify right side
    77,972.10x = 3,199,714,803.46
  5. Step 5: Solve for x
    x = 3,199,714,803.46/77,972.10
  6. Step 6: Final answer
    x = 41,036.66

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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.