Home / 49,609.10-68,459.36-28,386.96

Finding the Fourth Proportional to 49,609.10, 68,459.36 and 28,386.96

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Solution

The fourth proportional to 49,609.10, 68,459.36 and 28,386.96 is: 39,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,609.10 : 68,459.36 = 28,386.96 : x
  2. Step 2: Convert to fraction form
    49,609.10/68,459.36 = 28,386.96/x
  3. Step 3: Cross multiply
    49,609.10x = 68,459.36 × 28,386.96
  4. Step 4: Simplify right side
    49,609.10x = 1,943,353,113.95
  5. Step 5: Solve for x
    x = 1,943,353,113.95/49,609.10
  6. Step 6: Final answer
    x = 39,173.32

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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.