Home / 86,949.35-130,424.03-40,293.35

Finding the Fourth Proportional to 86,949.35, 130,424.03 and 40,293.35

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Solution

The fourth proportional to 86,949.35, 130,424.03 and 40,293.35 is: 60,440.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,949.35 : 130,424.03 = 40,293.35 : x
  2. Step 2: Convert to fraction form
    86,949.35/130,424.03 = 40,293.35/x
  3. Step 3: Cross multiply
    86,949.35x = 130,424.03 × 40,293.35
  4. Step 4: Simplify right side
    86,949.35x = 5,255,220,887.73
  5. Step 5: Solve for x
    x = 5,255,220,887.73/86,949.35
  6. Step 6: Final answer
    x = 60,440.03

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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.