Home / 90,705.28-125,163.33-52,465.58

Finding the Fourth Proportional to 90,705.28, 125,163.33 and 52,465.58

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Solution

The fourth proportional to 90,705.28, 125,163.33 and 52,465.58 is: 72,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,705.28 : 125,163.33 = 52,465.58 : x
  2. Step 2: Convert to fraction form
    90,705.28/125,163.33 = 52,465.58/x
  3. Step 3: Cross multiply
    90,705.28x = 125,163.33 × 52,465.58
  4. Step 4: Simplify right side
    90,705.28x = 6,566,767,349.14
  5. Step 5: Solve for x
    x = 6,566,767,349.14/90,705.28
  6. Step 6: Final answer
    x = 72,396.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.