Home / 86,984.16-130,476.24-34,418.40

Finding the Fourth Proportional to 86,984.16, 130,476.24 and 34,418.40

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Solution

The fourth proportional to 86,984.16, 130,476.24 and 34,418.40 is: 51,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,984.16 : 130,476.24 = 34,418.40 : x
  2. Step 2: Convert to fraction form
    86,984.16/130,476.24 = 34,418.40/x
  3. Step 3: Cross multiply
    86,984.16x = 130,476.24 × 34,418.40
  4. Step 4: Simplify right side
    86,984.16x = 4,490,783,418.82
  5. Step 5: Solve for x
    x = 4,490,783,418.82/86,984.16
  6. Step 6: Final answer
    x = 51,627.60

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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.