Home / 64,095.18-96,155.54-19,720.25

Finding the Fourth Proportional to 64,095.18, 96,155.54 and 19,720.25

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Solution

The fourth proportional to 64,095.18, 96,155.54 and 19,720.25 is: 29,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,095.18 : 96,155.54 = 19,720.25 : x
  2. Step 2: Convert to fraction form
    64,095.18/96,155.54 = 19,720.25/x
  3. Step 3: Cross multiply
    64,095.18x = 96,155.54 × 19,720.25
  4. Step 4: Simplify right side
    64,095.18x = 1,896,210,708.31
  5. Step 5: Solve for x
    x = 1,896,210,708.31/64,095.18
  6. Step 6: Final answer
    x = 29,584.29

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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.