Home / 61,870.07-85,380.75-33,575.76

Finding the Fourth Proportional to 61,870.07, 85,380.75 and 33,575.76

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Solution

The fourth proportional to 61,870.07, 85,380.75 and 33,575.76 is: 46,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,870.07 : 85,380.75 = 33,575.76 : x
  2. Step 2: Convert to fraction form
    61,870.07/85,380.75 = 33,575.76/x
  3. Step 3: Cross multiply
    61,870.07x = 85,380.75 × 33,575.76
  4. Step 4: Simplify right side
    61,870.07x = 2,866,723,570.62
  5. Step 5: Solve for x
    x = 2,866,723,570.62/61,870.07
  6. Step 6: Final answer
    x = 46,334.58

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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.