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Finding the Fourth Proportional to 73,345.44, 101,214 and 39,810.72

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Solution

The fourth proportional to 73,345.44, 101,214 and 39,810.72 is: 54,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,345.44 : 101,214 = 39,810.72 : x
  2. Step 2: Convert to fraction form
    73,345.44/101,214 = 39,810.72/x
  3. Step 3: Cross multiply
    73,345.44x = 101,214 × 39,810.72
  4. Step 4: Simplify right side
    73,345.44x = 4,029,402,214.08
  5. Step 5: Solve for x
    x = 4,029,402,214.08/73,345.44
  6. Step 6: Final answer
    x = 54,937.32

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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.