Home / 72,533.15-100,105.71-40,703.93

Finding the Fourth Proportional to 72,533.15, 100,105.71 and 40,703.93

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Solution

The fourth proportional to 72,533.15, 100,105.71 and 40,703.93 is: 56,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,533.15 : 100,105.71 = 40,703.93 : x
  2. Step 2: Convert to fraction form
    72,533.15/100,105.71 = 40,703.93/x
  3. Step 3: Cross multiply
    72,533.15x = 100,105.71 × 40,703.93
  4. Step 4: Simplify right side
    72,533.15x = 4,074,695,812.44
  5. Step 5: Solve for x
    x = 4,074,695,812.44/72,533.15
  6. Step 6: Final answer
    x = 56,177.01

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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.