Home / 65,621.04-90,539.64-37,322.16

Finding the Fourth Proportional to 65,621.04, 90,539.64 and 37,322.16

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Solution

The fourth proportional to 65,621.04, 90,539.64 and 37,322.16 is: 51,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,621.04 : 90,539.64 = 37,322.16 : x
  2. Step 2: Convert to fraction form
    65,621.04/90,539.64 = 37,322.16/x
  3. Step 3: Cross multiply
    65,621.04x = 90,539.64 × 37,322.16
  4. Step 4: Simplify right side
    65,621.04x = 3,379,134,930.42
  5. Step 5: Solve for x
    x = 3,379,134,930.42/65,621.04
  6. Step 6: Final answer
    x = 51,494.69

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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.