Home / 72,296.37-99,768.98-40,465.28

Finding the Fourth Proportional to 72,296.37, 99,768.98 and 40,465.28

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Solution

The fourth proportional to 72,296.37, 99,768.98 and 40,465.28 is: 55,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,296.37 : 99,768.98 = 40,465.28 : x
  2. Step 2: Convert to fraction form
    72,296.37/99,768.98 = 40,465.28/x
  3. Step 3: Cross multiply
    72,296.37x = 99,768.98 × 40,465.28
  4. Step 4: Simplify right side
    72,296.37x = 4,037,179,009.84
  5. Step 5: Solve for x
    x = 4,037,179,009.84/72,296.37
  6. Step 6: Final answer
    x = 55,842.07

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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.