Home / 56,611.28-78,041.23-39,562.59

Finding the Fourth Proportional to 56,611.28, 78,041.23 and 39,562.59

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Solution

The fourth proportional to 56,611.28, 78,041.23 and 39,562.59 is: 54,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,611.28 : 78,041.23 = 39,562.59 : x
  2. Step 2: Convert to fraction form
    56,611.28/78,041.23 = 39,562.59/x
  3. Step 3: Cross multiply
    56,611.28x = 78,041.23 × 39,562.59
  4. Step 4: Simplify right side
    56,611.28x = 3,087,513,185.59
  5. Step 5: Solve for x
    x = 3,087,513,185.59/56,611.28
  6. Step 6: Final answer
    x = 54,538.83

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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.