Home / 86,459.45-129,700.51-33,862.10

Finding the Fourth Proportional to 86,459.45, 129,700.51 and 33,862.10

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Solution

The fourth proportional to 86,459.45, 129,700.51 and 33,862.10 is: 50,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,459.45 : 129,700.51 = 33,862.10 : x
  2. Step 2: Convert to fraction form
    86,459.45/129,700.51 = 33,862.10/x
  3. Step 3: Cross multiply
    86,459.45x = 129,700.51 × 33,862.10
  4. Step 4: Simplify right side
    86,459.45x = 4,391,931,639.67
  5. Step 5: Solve for x
    x = 4,391,931,639.67/86,459.45
  6. Step 6: Final answer
    x = 50,797.59

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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.