Home / 90,475.47-124,837.45-52,234.35

Finding the Fourth Proportional to 90,475.47, 124,837.45 and 52,234.35

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Solution

The fourth proportional to 90,475.47, 124,837.45 and 52,234.35 is: 72,072.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,475.47 : 124,837.45 = 52,234.35 : x
  2. Step 2: Convert to fraction form
    90,475.47/124,837.45 = 52,234.35/x
  3. Step 3: Cross multiply
    90,475.47x = 124,837.45 × 52,234.35
  4. Step 4: Simplify right side
    90,475.47x = 6,520,802,795.24
  5. Step 5: Solve for x
    x = 6,520,802,795.24/90,475.47
  6. Step 6: Final answer
    x = 72,072.61

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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.