Home / 88,360.02-121,935.48-48,072.86

Finding the Fourth Proportional to 88,360.02, 121,935.48 and 48,072.86

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Solution

The fourth proportional to 88,360.02, 121,935.48 and 48,072.86 is: 66,339.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,360.02 : 121,935.48 = 48,072.86 : x
  2. Step 2: Convert to fraction form
    88,360.02/121,935.48 = 48,072.86/x
  3. Step 3: Cross multiply
    88,360.02x = 121,935.48 × 48,072.86
  4. Step 4: Simplify right side
    88,360.02x = 5,861,787,259.07
  5. Step 5: Solve for x
    x = 5,861,787,259.07/88,360.02
  6. Step 6: Final answer
    x = 66,339.81

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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.