Home / 72,277.48-99,742.98-40,453.93

Finding the Fourth Proportional to 72,277.48, 99,742.98 and 40,453.93

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Solution

The fourth proportional to 72,277.48, 99,742.98 and 40,453.93 is: 55,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,277.48 : 99,742.98 = 40,453.93 : x
  2. Step 2: Convert to fraction form
    72,277.48/99,742.98 = 40,453.93/x
  3. Step 3: Cross multiply
    72,277.48x = 99,742.98 × 40,453.93
  4. Step 4: Simplify right side
    72,277.48x = 4,034,995,530.91
  5. Step 5: Solve for x
    x = 4,034,995,530.91/72,277.48
  6. Step 6: Final answer
    x = 55,826.46

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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.