Home / 61,011.76-84,195.78-34,154.20

Finding the Fourth Proportional to 61,011.76, 84,195.78 and 34,154.20

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Solution

The fourth proportional to 61,011.76, 84,195.78 and 34,154.20 is: 47,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,011.76 : 84,195.78 = 34,154.20 : x
  2. Step 2: Convert to fraction form
    61,011.76/84,195.78 = 34,154.20/x
  3. Step 3: Cross multiply
    61,011.76x = 84,195.78 × 34,154.20
  4. Step 4: Simplify right side
    61,011.76x = 2,875,639,509.28
  5. Step 5: Solve for x
    x = 2,875,639,509.28/61,011.76
  6. Step 6: Final answer
    x = 47,132.54

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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.