Home / 64,615.32-96,898.38-42,422.76

Finding the Fourth Proportional to 64,615.32, 96,898.38 and 42,422.76

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Solution

The fourth proportional to 64,615.32, 96,898.38 and 42,422.76 is: 63,617.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,615.32 : 96,898.38 = 42,422.76 : x
  2. Step 2: Convert to fraction form
    64,615.32/96,898.38 = 42,422.76/x
  3. Step 3: Cross multiply
    64,615.32x = 96,898.38 × 42,422.76
  4. Step 4: Simplify right side
    64,615.32x = 4,110,696,719.13
  5. Step 5: Solve for x
    x = 4,110,696,719.13/64,615.32
  6. Step 6: Final answer
    x = 63,617.99

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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.