Home / 110,888.61-153,027.75-63,142.15

Finding the Fourth Proportional to 110,888.61, 153,027.75 and 63,142.15

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Solution

The fourth proportional to 110,888.61, 153,027.75 and 63,142.15 is: 87,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,888.61 : 153,027.75 = 63,142.15 : x
  2. Step 2: Convert to fraction form
    110,888.61/153,027.75 = 63,142.15/x
  3. Step 3: Cross multiply
    110,888.61x = 153,027.75 × 63,142.15
  4. Step 4: Simplify right side
    110,888.61x = 9,662,501,144.66
  5. Step 5: Solve for x
    x = 9,662,501,144.66/110,888.61
  6. Step 6: Final answer
    x = 87,137.00

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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.