Home / 77,507.04-116,261.19-21,350.25

Finding the Fourth Proportional to 77,507.04, 116,261.19 and 21,350.25

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Solution

The fourth proportional to 77,507.04, 116,261.19 and 21,350.25 is: 32,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,507.04 : 116,261.19 = 21,350.25 : x
  2. Step 2: Convert to fraction form
    77,507.04/116,261.19 = 21,350.25/x
  3. Step 3: Cross multiply
    77,507.04x = 116,261.19 × 21,350.25
  4. Step 4: Simplify right side
    77,507.04x = 2,482,205,471.80
  5. Step 5: Solve for x
    x = 2,482,205,471.80/77,507.04
  6. Step 6: Final answer
    x = 32,025.55

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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.