Home / 90,322.53-124,642.58-52,081.35

Finding the Fourth Proportional to 90,322.53, 124,642.58 and 52,081.35

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Solution

The fourth proportional to 90,322.53, 124,642.58 and 52,081.35 is: 71,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,322.53 : 124,642.58 = 52,081.35 : x
  2. Step 2: Convert to fraction form
    90,322.53/124,642.58 = 52,081.35/x
  3. Step 3: Cross multiply
    90,322.53x = 124,642.58 × 52,081.35
  4. Step 4: Simplify right side
    90,322.53x = 6,491,553,573.48
  5. Step 5: Solve for x
    x = 6,491,553,573.48/90,322.53
  6. Step 6: Final answer
    x = 71,870.81

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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.