Home / 61,682.04-85,121.28-33,387.66

Finding the Fourth Proportional to 61,682.04, 85,121.28 and 33,387.66

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Solution

The fourth proportional to 61,682.04, 85,121.28 and 33,387.66 is: 46,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,682.04 : 85,121.28 = 33,387.66 : x
  2. Step 2: Convert to fraction form
    61,682.04/85,121.28 = 33,387.66/x
  3. Step 3: Cross multiply
    61,682.04x = 85,121.28 × 33,387.66
  4. Step 4: Simplify right side
    61,682.04x = 2,842,000,355.40
  5. Step 5: Solve for x
    x = 2,842,000,355.40/61,682.04
  6. Step 6: Final answer
    x = 46,075.01

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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.