Home / 64,983.31-97,253.18-54,465.20

Finding the Fourth Proportional to 64,983.31, 97,253.18 and 54,465.20

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Solution

The fourth proportional to 64,983.31, 97,253.18 and 54,465.20 is: 81,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,983.31 : 97,253.18 = 54,465.20 : x
  2. Step 2: Convert to fraction form
    64,983.31/97,253.18 = 54,465.20/x
  3. Step 3: Cross multiply
    64,983.31x = 97,253.18 × 54,465.20
  4. Step 4: Simplify right side
    64,983.31x = 5,296,913,627.01
  5. Step 5: Solve for x
    x = 5,296,913,627.01/64,983.31
  6. Step 6: Final answer
    x = 81,511.91

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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.