Home / 65,714.07-90,685.32-37,419.77

Finding the Fourth Proportional to 65,714.07, 90,685.32 and 37,419.77

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Solution

The fourth proportional to 65,714.07, 90,685.32 and 37,419.77 is: 51,639.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,714.07 : 90,685.32 = 37,419.77 : x
  2. Step 2: Convert to fraction form
    65,714.07/90,685.32 = 37,419.77/x
  3. Step 3: Cross multiply
    65,714.07x = 90,685.32 × 37,419.77
  4. Step 4: Simplify right side
    65,714.07x = 3,393,423,363.35
  5. Step 5: Solve for x
    x = 3,393,423,363.35/65,714.07
  6. Step 6: Final answer
    x = 51,639.22

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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.