Home / 78,426.85-108,228.77-44,441.80

Finding the Fourth Proportional to 78,426.85, 108,228.77 and 44,441.80

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Solution

The fourth proportional to 78,426.85, 108,228.77 and 44,441.80 is: 61,329.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,426.85 : 108,228.77 = 44,441.80 : x
  2. Step 2: Convert to fraction form
    78,426.85/108,228.77 = 44,441.80/x
  3. Step 3: Cross multiply
    78,426.85x = 108,228.77 × 44,441.80
  4. Step 4: Simplify right side
    78,426.85x = 4,809,881,543.55
  5. Step 5: Solve for x
    x = 4,809,881,543.55/78,426.85
  6. Step 6: Final answer
    x = 61,329.53

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1.5x scale

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.