Home / 89,838.36-134,536.05-56,475.69

Finding the Fourth Proportional to 89,838.36, 134,536.05 and 56,475.69

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Solution

The fourth proportional to 89,838.36, 134,536.05 and 56,475.69 is: 84,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,838.36 : 134,536.05 = 56,475.69 : x
  2. Step 2: Convert to fraction form
    89,838.36/134,536.05 = 56,475.69/x
  3. Step 3: Cross multiply
    89,838.36x = 134,536.05 × 56,475.69
  4. Step 4: Simplify right side
    89,838.36x = 7,598,016,253.62
  5. Step 5: Solve for x
    x = 7,598,016,253.62/89,838.36
  6. Step 6: Final answer
    x = 84,574.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.