Home / 76,817.93-115,243.81-23,510.32

Finding the Fourth Proportional to 76,817.93, 115,243.81 and 23,510.32

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Solution

The fourth proportional to 76,817.93, 115,243.81 and 23,510.32 is: 35,270.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,817.93 : 115,243.81 = 23,510.32 : x
  2. Step 2: Convert to fraction form
    76,817.93/115,243.81 = 23,510.32/x
  3. Step 3: Cross multiply
    76,817.93x = 115,243.81 × 23,510.32
  4. Step 4: Simplify right side
    76,817.93x = 2,709,418,851.12
  5. Step 5: Solve for x
    x = 2,709,418,851.12/76,817.93
  6. Step 6: Final answer
    x = 35,270.66

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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.