Home / 87,120.84-130,646.07-33,784.73

Finding the Fourth Proportional to 87,120.84, 130,646.07 and 33,784.73

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Solution

The fourth proportional to 87,120.84, 130,646.07 and 33,784.73 is: 50,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,120.84 : 130,646.07 = 33,784.73 : x
  2. Step 2: Convert to fraction form
    87,120.84/130,646.07 = 33,784.73/x
  3. Step 3: Cross multiply
    87,120.84x = 130,646.07 × 33,784.73
  4. Step 4: Simplify right side
    87,120.84x = 4,413,842,200.51
  5. Step 5: Solve for x
    x = 4,413,842,200.51/87,120.84
  6. Step 6: Final answer
    x = 50,663.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.