Home / 66,998.24-92,459.02-38,320.49

Finding the Fourth Proportional to 66,998.24, 92,459.02 and 38,320.49

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Solution

The fourth proportional to 66,998.24, 92,459.02 and 38,320.49 is: 52,883.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,998.24 : 92,459.02 = 38,320.49 : x
  2. Step 2: Convert to fraction form
    66,998.24/92,459.02 = 38,320.49/x
  3. Step 3: Cross multiply
    66,998.24x = 92,459.02 × 38,320.49
  4. Step 4: Simplify right side
    66,998.24x = 3,543,075,158.52
  5. Step 5: Solve for x
    x = 3,543,075,158.52/66,998.24
  6. Step 6: Final answer
    x = 52,883.11

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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.