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Finding the Fourth Proportional to 73,240.72, 101,068.10 and 40,969.11

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Solution

The fourth proportional to 73,240.72, 101,068.10 and 40,969.11 is: 56,535.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,240.72 : 101,068.10 = 40,969.11 : x
  2. Step 2: Convert to fraction form
    73,240.72/101,068.10 = 40,969.11/x
  3. Step 3: Cross multiply
    73,240.72x = 101,068.10 × 40,969.11
  4. Step 4: Simplify right side
    73,240.72x = 4,140,670,208.81
  5. Step 5: Solve for x
    x = 4,140,670,208.81/73,240.72
  6. Step 6: Final answer
    x = 56,535.08

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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.