Home / 66,756.17-92,122.79-38,075.09

Finding the Fourth Proportional to 66,756.17, 92,122.79 and 38,075.09

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Solution

The fourth proportional to 66,756.17, 92,122.79 and 38,075.09 is: 52,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,756.17 : 92,122.79 = 38,075.09 : x
  2. Step 2: Convert to fraction form
    66,756.17/92,122.79 = 38,075.09/x
  3. Step 3: Cross multiply
    66,756.17x = 92,122.79 × 38,075.09
  4. Step 4: Simplify right side
    66,756.17x = 3,507,583,520.30
  5. Step 5: Solve for x
    x = 3,507,583,520.30/66,756.17
  6. Step 6: Final answer
    x = 52,543.21

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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.