Home / 73,641.48-101,625.78-40,106.76

Finding the Fourth Proportional to 73,641.48, 101,625.78 and 40,106.76

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Solution

The fourth proportional to 73,641.48, 101,625.78 and 40,106.76 is: 55,347.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,641.48 : 101,625.78 = 40,106.76 : x
  2. Step 2: Convert to fraction form
    73,641.48/101,625.78 = 40,106.76/x
  3. Step 3: Cross multiply
    73,641.48x = 101,625.78 × 40,106.76
  4. Step 4: Simplify right side
    73,641.48x = 4,075,880,768.27
  5. Step 5: Solve for x
    x = 4,075,880,768.27/73,641.48
  6. Step 6: Final answer
    x = 55,347.62

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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.