Home / 86,155.86-118,877.63-50,338.95

Finding the Fourth Proportional to 86,155.86, 118,877.63 and 50,338.95

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Solution

The fourth proportional to 86,155.86, 118,877.63 and 50,338.95 is: 69,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,155.86 : 118,877.63 = 50,338.95 : x
  2. Step 2: Convert to fraction form
    86,155.86/118,877.63 = 50,338.95/x
  3. Step 3: Cross multiply
    86,155.86x = 118,877.63 × 50,338.95
  4. Step 4: Simplify right side
    86,155.86x = 5,984,174,820.99
  5. Step 5: Solve for x
    x = 5,984,174,820.99/86,155.86
  6. Step 6: Final answer
    x = 69,457.55

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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.