Home / 82,772.93-114,225.54-48,782.86

Finding the Fourth Proportional to 82,772.93, 114,225.54 and 48,782.86

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Solution

The fourth proportional to 82,772.93, 114,225.54 and 48,782.86 is: 67,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,772.93 : 114,225.54 = 48,782.86 : x
  2. Step 2: Convert to fraction form
    82,772.93/114,225.54 = 48,782.86/x
  3. Step 3: Cross multiply
    82,772.93x = 114,225.54 × 48,782.86
  4. Step 4: Simplify right side
    82,772.93x = 5,572,247,955.12
  5. Step 5: Solve for x
    x = 5,572,247,955.12/82,772.93
  6. Step 6: Final answer
    x = 67,319.69

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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.