Home / 86,923.45-130,360.06-39,512.13

Finding the Fourth Proportional to 86,923.45, 130,360.06 and 39,512.13

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Solution

The fourth proportional to 86,923.45, 130,360.06 and 39,512.13 is: 59,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,923.45 : 130,360.06 = 39,512.13 : x
  2. Step 2: Convert to fraction form
    86,923.45/130,360.06 = 39,512.13/x
  3. Step 3: Cross multiply
    86,923.45x = 130,360.06 × 39,512.13
  4. Step 4: Simplify right side
    86,923.45x = 5,150,803,637.53
  5. Step 5: Solve for x
    x = 5,150,803,637.53/86,923.45
  6. Step 6: Final answer
    x = 59,256.78

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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.