Home / 77,927.60-116,891.40-75,623.60

Finding the Fourth Proportional to 77,927.60, 116,891.40 and 75,623.60

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Solution

The fourth proportional to 77,927.60, 116,891.40 and 75,623.60 is: 113,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,927.60 : 116,891.40 = 75,623.60 : x
  2. Step 2: Convert to fraction form
    77,927.60/116,891.40 = 75,623.60/x
  3. Step 3: Cross multiply
    77,927.60x = 116,891.40 × 75,623.60
  4. Step 4: Simplify right side
    77,927.60x = 8,839,748,477.04
  5. Step 5: Solve for x
    x = 8,839,748,477.04/77,927.60
  6. Step 6: Final answer
    x = 113,435.40

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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.