Home / 85,806.02-128,707.17-23,476.52

Finding the Fourth Proportional to 85,806.02, 128,707.17 and 23,476.52

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Solution

The fourth proportional to 85,806.02, 128,707.17 and 23,476.52 is: 35,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,806.02 : 128,707.17 = 23,476.52 : x
  2. Step 2: Convert to fraction form
    85,806.02/128,707.17 = 23,476.52/x
  3. Step 3: Cross multiply
    85,806.02x = 128,707.17 × 23,476.52
  4. Step 4: Simplify right side
    85,806.02x = 3,021,596,450.65
  5. Step 5: Solve for x
    x = 3,021,596,450.65/85,806.02
  6. Step 6: Final answer
    x = 35,214.27

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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.