Home / 64,966.12-89,643.66-38,098.48

Finding the Fourth Proportional to 64,966.12, 89,643.66 and 38,098.48

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Solution

The fourth proportional to 64,966.12, 89,643.66 and 38,098.48 is: 52,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,966.12 : 89,643.66 = 38,098.48 : x
  2. Step 2: Convert to fraction form
    64,966.12/89,643.66 = 38,098.48/x
  3. Step 3: Cross multiply
    64,966.12x = 89,643.66 × 38,098.48
  4. Step 4: Simplify right side
    64,966.12x = 3,415,287,187.64
  5. Step 5: Solve for x
    x = 3,415,287,187.64/64,966.12
  6. Step 6: Final answer
    x = 52,570.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.