Home / 86,457.83-129,698.07-33,860.48

Finding the Fourth Proportional to 86,457.83, 129,698.07 and 33,860.48

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Solution

The fourth proportional to 86,457.83, 129,698.07 and 33,860.48 is: 50,795.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,457.83 : 129,698.07 = 33,860.48 : x
  2. Step 2: Convert to fraction form
    86,457.83/129,698.07 = 33,860.48/x
  3. Step 3: Cross multiply
    86,457.83x = 129,698.07 × 33,860.48
  4. Step 4: Simplify right side
    86,457.83x = 4,391,638,256.78
  5. Step 5: Solve for x
    x = 4,391,638,256.78/86,457.83
  6. Step 6: Final answer
    x = 50,795.15

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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.