Home / 86,011.94-118,680.83-52,015.70

Finding the Fourth Proportional to 86,011.94, 118,680.83 and 52,015.70

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Solution

The fourth proportional to 86,011.94, 118,680.83 and 52,015.70 is: 71,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,011.94 : 118,680.83 = 52,015.70 : x
  2. Step 2: Convert to fraction form
    86,011.94/118,680.83 = 52,015.70/x
  3. Step 3: Cross multiply
    86,011.94x = 118,680.83 × 52,015.70
  4. Step 4: Simplify right side
    86,011.94x = 6,173,266,680.71
  5. Step 5: Solve for x
    x = 6,173,266,680.71/86,011.94
  6. Step 6: Final answer
    x = 71,772.20

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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.