Home / 77,390.04-106,804.62-43,397.88

Finding the Fourth Proportional to 77,390.04, 106,804.62 and 43,397.88

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Solution

The fourth proportional to 77,390.04, 106,804.62 and 43,397.88 is: 59,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,390.04 : 106,804.62 = 43,397.88 : x
  2. Step 2: Convert to fraction form
    77,390.04/106,804.62 = 43,397.88/x
  3. Step 3: Cross multiply
    77,390.04x = 106,804.62 × 43,397.88
  4. Step 4: Simplify right side
    77,390.04x = 4,635,094,082.21
  5. Step 5: Solve for x
    x = 4,635,094,082.21/77,390.04
  6. Step 6: Final answer
    x = 59,892.64

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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.