Home / 88,039.37-121,360.02-53,984.81

Finding the Fourth Proportional to 88,039.37, 121,360.02 and 53,984.81

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Solution

The fourth proportional to 88,039.37, 121,360.02 and 53,984.81 is: 74,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,039.37 : 121,360.02 = 53,984.81 : x
  2. Step 2: Convert to fraction form
    88,039.37/121,360.02 = 53,984.81/x
  3. Step 3: Cross multiply
    88,039.37x = 121,360.02 × 53,984.81
  4. Step 4: Simplify right side
    88,039.37x = 6,551,597,621.30
  5. Step 5: Solve for x
    x = 6,551,597,621.30/88,039.37
  6. Step 6: Final answer
    x = 74,416.68

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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.