Home / 73,290.48-101,141.40-39,756.72

Finding the Fourth Proportional to 73,290.48, 101,141.40 and 39,756.72

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Solution

The fourth proportional to 73,290.48, 101,141.40 and 39,756.72 is: 54,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,290.48 : 101,141.40 = 39,756.72 : x
  2. Step 2: Convert to fraction form
    73,290.48/101,141.40 = 39,756.72/x
  3. Step 3: Cross multiply
    73,290.48x = 101,141.40 × 39,756.72
  4. Step 4: Simplify right side
    73,290.48x = 4,021,050,320.21
  5. Step 5: Solve for x
    x = 4,021,050,320.21/73,290.48
  6. Step 6: Final answer
    x = 54,864.57

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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.