Home / 64,541.02-96,778.13-28,971.71

Finding the Fourth Proportional to 64,541.02, 96,778.13 and 28,971.71

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Solution

The fourth proportional to 64,541.02, 96,778.13 and 28,971.71 is: 43,442.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,541.02 : 96,778.13 = 28,971.71 : x
  2. Step 2: Convert to fraction form
    64,541.02/96,778.13 = 28,971.71/x
  3. Step 3: Cross multiply
    64,541.02x = 96,778.13 × 28,971.71
  4. Step 4: Simplify right side
    64,541.02x = 2,803,827,832.33
  5. Step 5: Solve for x
    x = 2,803,827,832.33/64,541.02
  6. Step 6: Final answer
    x = 43,442.57

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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.