Home / 87,852.48-121,232.04-49,616.40

Finding the Fourth Proportional to 87,852.48, 121,232.04 and 49,616.40

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Solution

The fourth proportional to 87,852.48, 121,232.04 and 49,616.40 is: 68,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,852.48 : 121,232.04 = 49,616.40 : x
  2. Step 2: Convert to fraction form
    87,852.48/121,232.04 = 49,616.40/x
  3. Step 3: Cross multiply
    87,852.48x = 121,232.04 × 49,616.40
  4. Step 4: Simplify right side
    87,852.48x = 6,015,097,389.46
  5. Step 5: Solve for x
    x = 6,015,097,389.46/87,852.48
  6. Step 6: Final answer
    x = 68,468.16

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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.