Home / 98,495.22-135,875.97-64,488.72

Finding the Fourth Proportional to 98,495.22, 135,875.97 and 64,488.72

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Solution

The fourth proportional to 98,495.22, 135,875.97 and 64,488.72 is: 88,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,495.22 : 135,875.97 = 64,488.72 : x
  2. Step 2: Convert to fraction form
    98,495.22/135,875.97 = 64,488.72/x
  3. Step 3: Cross multiply
    98,495.22x = 135,875.97 × 64,488.72
  4. Step 4: Simplify right side
    98,495.22x = 8,762,467,384.06
  5. Step 5: Solve for x
    x = 8,762,467,384.06/98,495.22
  6. Step 6: Final answer
    x = 88,963.38

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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.