Home / 52,069.72-71,856.56-28,196.40

Finding the Fourth Proportional to 52,069.72, 71,856.56 and 28,196.40

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Solution

The fourth proportional to 52,069.72, 71,856.56 and 28,196.40 is: 38,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,069.72 : 71,856.56 = 28,196.40 : x
  2. Step 2: Convert to fraction form
    52,069.72/71,856.56 = 28,196.40/x
  3. Step 3: Cross multiply
    52,069.72x = 71,856.56 × 28,196.40
  4. Step 4: Simplify right side
    52,069.72x = 2,026,095,808.12
  5. Step 5: Solve for x
    x = 2,026,095,808.12/52,069.72
  6. Step 6: Final answer
    x = 38,911.21

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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.