Home / 61,118.10-84,346.47-45,983.66

Finding the Fourth Proportional to 61,118.10, 84,346.47 and 45,983.66

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Solution

The fourth proportional to 61,118.10, 84,346.47 and 45,983.66 is: 63,460.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,118.10 : 84,346.47 = 45,983.66 : x
  2. Step 2: Convert to fraction form
    61,118.10/84,346.47 = 45,983.66/x
  3. Step 3: Cross multiply
    61,118.10x = 84,346.47 × 45,983.66
  4. Step 4: Simplify right side
    61,118.10x = 3,878,558,976.95
  5. Step 5: Solve for x
    x = 3,878,558,976.95/61,118.10
  6. Step 6: Final answer
    x = 63,460.07

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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.