Home / 64,639.02-89,171.91-37,782.66

Finding the Fourth Proportional to 64,639.02, 89,171.91 and 37,782.66

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Solution

The fourth proportional to 64,639.02, 89,171.91 and 37,782.66 is: 52,122.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,639.02 : 89,171.91 = 37,782.66 : x
  2. Step 2: Convert to fraction form
    64,639.02/89,171.91 = 37,782.66/x
  3. Step 3: Cross multiply
    64,639.02x = 89,171.91 × 37,782.66
  4. Step 4: Simplify right side
    64,639.02x = 3,369,151,957.08
  5. Step 5: Solve for x
    x = 3,369,151,957.08/64,639.02
  6. Step 6: Final answer
    x = 52,122.57

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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.