Home / 65,075.64-89,803.26-39,572.76

Finding the Fourth Proportional to 65,075.64, 89,803.26 and 39,572.76

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Solution

The fourth proportional to 65,075.64, 89,803.26 and 39,572.76 is: 54,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,075.64 : 89,803.26 = 39,572.76 : x
  2. Step 2: Convert to fraction form
    65,075.64/89,803.26 = 39,572.76/x
  3. Step 3: Cross multiply
    65,075.64x = 89,803.26 × 39,572.76
  4. Step 4: Simplify right side
    65,075.64x = 3,553,762,855.20
  5. Step 5: Solve for x
    x = 3,553,762,855.20/65,075.64
  6. Step 6: Final answer
    x = 54,609.73

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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.