Home / 53,332.80-79,999.20-50,740.80

Finding the Fourth Proportional to 53,332.80, 79,999.20 and 50,740.80

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Solution

The fourth proportional to 53,332.80, 79,999.20 and 50,740.80 is: 76,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,332.80 : 79,999.20 = 50,740.80 : x
  2. Step 2: Convert to fraction form
    53,332.80/79,999.20 = 50,740.80/x
  3. Step 3: Cross multiply
    53,332.80x = 79,999.20 × 50,740.80
  4. Step 4: Simplify right side
    53,332.80x = 4,059,223,407.36
  5. Step 5: Solve for x
    x = 4,059,223,407.36/53,332.80
  6. Step 6: Final answer
    x = 76,111.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.