Home / 74,908.20-112,435.10-58,447.40

Finding the Fourth Proportional to 74,908.20, 112,435.10 and 58,447.40

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Solution

The fourth proportional to 74,908.20, 112,435.10 and 58,447.40 is: 87,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,908.20 : 112,435.10 = 58,447.40 : x
  2. Step 2: Convert to fraction form
    74,908.20/112,435.10 = 58,447.40/x
  3. Step 3: Cross multiply
    74,908.20x = 112,435.10 × 58,447.40
  4. Step 4: Simplify right side
    74,908.20x = 6,571,539,263.74
  5. Step 5: Solve for x
    x = 6,571,539,263.74/74,908.20
  6. Step 6: Final answer
    x = 87,727.90

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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.