Home / 90,334.21-124,657.90-52,095.37

Finding the Fourth Proportional to 90,334.21, 124,657.90 and 52,095.37

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Solution

The fourth proportional to 90,334.21, 124,657.90 and 52,095.37 is: 71,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,334.21 : 124,657.90 = 52,095.37 : x
  2. Step 2: Convert to fraction form
    90,334.21/124,657.90 = 52,095.37/x
  3. Step 3: Cross multiply
    90,334.21x = 124,657.90 × 52,095.37
  4. Step 4: Simplify right side
    90,334.21x = 6,494,099,423.92
  5. Step 5: Solve for x
    x = 6,494,099,423.92/90,334.21
  6. Step 6: Final answer
    x = 71,889.70

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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.