Home / 90,467.56-124,842.82-52,225.81

Finding the Fourth Proportional to 90,467.56, 124,842.82 and 52,225.81

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Solution

The fourth proportional to 90,467.56, 124,842.82 and 52,225.81 is: 72,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,467.56 : 124,842.82 = 52,225.81 : x
  2. Step 2: Convert to fraction form
    90,467.56/124,842.82 = 52,225.81/x
  3. Step 3: Cross multiply
    90,467.56x = 124,842.82 × 52,225.81
  4. Step 4: Simplify right side
    90,467.56x = 6,520,017,422.67
  5. Step 5: Solve for x
    x = 6,520,017,422.67/90,467.56
  6. Step 6: Final answer
    x = 72,070.23

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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.