Home / 74,746.08-112,163.04-68,973.12

Finding the Fourth Proportional to 74,746.08, 112,163.04 and 68,973.12

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Solution

The fourth proportional to 74,746.08, 112,163.04 and 68,973.12 is: 103,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746.08 : 112,163.04 = 68,973.12 : x
  2. Step 2: Convert to fraction form
    74,746.08/112,163.04 = 68,973.12/x
  3. Step 3: Cross multiply
    74,746.08x = 112,163.04 × 68,973.12
  4. Step 4: Simplify right side
    74,746.08x = 7,736,234,817.48
  5. Step 5: Solve for x
    x = 7,736,234,817.48/74,746.08
  6. Step 6: Final answer
    x = 103,500.21

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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.