Home / 72,420.36-99,835.38-50,844.48

Finding the Fourth Proportional to 72,420.36, 99,835.38 and 50,844.48

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Solution

The fourth proportional to 72,420.36, 99,835.38 and 50,844.48 is: 70,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,420.36 : 99,835.38 = 50,844.48 : x
  2. Step 2: Convert to fraction form
    72,420.36/99,835.38 = 50,844.48/x
  3. Step 3: Cross multiply
    72,420.36x = 99,835.38 × 50,844.48
  4. Step 4: Simplify right side
    72,420.36x = 5,076,077,981.70
  5. Step 5: Solve for x
    x = 5,076,077,981.70/72,420.36
  6. Step 6: Final answer
    x = 70,091.86

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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.