Home / 88,288.48-121,839.12-48,001.36

Finding the Fourth Proportional to 88,288.48, 121,839.12 and 48,001.36

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Solution

The fourth proportional to 88,288.48, 121,839.12 and 48,001.36 is: 66,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,288.48 : 121,839.12 = 48,001.36 : x
  2. Step 2: Convert to fraction form
    88,288.48/121,839.12 = 48,001.36/x
  3. Step 3: Cross multiply
    88,288.48x = 121,839.12 × 48,001.36
  4. Step 4: Simplify right side
    88,288.48x = 5,848,443,461.20
  5. Step 5: Solve for x
    x = 5,848,443,461.20/88,288.48
  6. Step 6: Final answer
    x = 66,242.43

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1.5x scale

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.