Home / 98,516.60-135,953.94-56,077.87

Finding the Fourth Proportional to 98,516.60, 135,953.94 and 56,077.87

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Solution

The fourth proportional to 98,516.60, 135,953.94 and 56,077.87 is: 77,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,516.60 : 135,953.94 = 56,077.87 : x
  2. Step 2: Convert to fraction form
    98,516.60/135,953.94 = 56,077.87/x
  3. Step 3: Cross multiply
    98,516.60x = 135,953.94 × 56,077.87
  4. Step 4: Simplify right side
    98,516.60x = 7,624,007,498.63
  5. Step 5: Solve for x
    x = 7,624,007,498.63/98,516.60
  6. Step 6: Final answer
    x = 77,388.05

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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.