Home / 74,314.71-111,406.44-56,862.45

Finding the Fourth Proportional to 74,314.71, 111,406.44 and 56,862.45

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Solution

The fourth proportional to 74,314.71, 111,406.44 and 56,862.45 is: 85,243.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,314.71 : 111,406.44 = 56,862.45 : x
  2. Step 2: Convert to fraction form
    74,314.71/111,406.44 = 56,862.45/x
  3. Step 3: Cross multiply
    74,314.71x = 111,406.44 × 56,862.45
  4. Step 4: Simplify right side
    74,314.71x = 6,334,843,124.18
  5. Step 5: Solve for x
    x = 6,334,843,124.18/74,314.71
  6. Step 6: Final answer
    x = 85,243.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.