Home / 86,384.52-129,587.68-33,787.16

Finding the Fourth Proportional to 86,384.52, 129,587.68 and 33,787.16

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Solution

The fourth proportional to 86,384.52, 129,587.68 and 33,787.16 is: 50,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,384.52 : 129,587.68 = 33,787.16 : x
  2. Step 2: Convert to fraction form
    86,384.52/129,587.68 = 33,787.16/x
  3. Step 3: Cross multiply
    86,384.52x = 129,587.68 × 33,787.16
  4. Step 4: Simplify right side
    86,384.52x = 4,378,399,678.19
  5. Step 5: Solve for x
    x = 4,378,399,678.19/86,384.52
  6. Step 6: Final answer
    x = 50,685.00

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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.