Home / 64,355.49-88,712.13-45,181.48

Finding the Fourth Proportional to 64,355.49, 88,712.13 and 45,181.48

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Solution

The fourth proportional to 64,355.49, 88,712.13 and 45,181.48 is: 62,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,355.49 : 88,712.13 = 45,181.48 : x
  2. Step 2: Convert to fraction form
    64,355.49/88,712.13 = 45,181.48/x
  3. Step 3: Cross multiply
    64,355.49x = 88,712.13 × 45,181.48
  4. Step 4: Simplify right side
    64,355.49x = 4,008,144,883.79
  5. Step 5: Solve for x
    x = 4,008,144,883.79/64,355.49
  6. Step 6: Final answer
    x = 62,281.32

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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.