Home / 64,826.34-97,239.60-42,738.36

Finding the Fourth Proportional to 64,826.34, 97,239.60 and 42,738.36

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Solution

The fourth proportional to 64,826.34, 97,239.60 and 42,738.36 is: 64,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,826.34 : 97,239.60 = 42,738.36 : x
  2. Step 2: Convert to fraction form
    64,826.34/97,239.60 = 42,738.36/x
  3. Step 3: Cross multiply
    64,826.34x = 97,239.60 × 42,738.36
  4. Step 4: Simplify right side
    64,826.34x = 4,155,861,031.06
  5. Step 5: Solve for x
    x = 4,155,861,031.06/64,826.34
  6. Step 6: Final answer
    x = 64,107.60

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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.