Home / 61,139.14-84,371.69-34,281.62

Finding the Fourth Proportional to 61,139.14, 84,371.69 and 34,281.62

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Solution

The fourth proportional to 61,139.14, 84,371.69 and 34,281.62 is: 47,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,139.14 : 84,371.69 = 34,281.62 : x
  2. Step 2: Convert to fraction form
    61,139.14/84,371.69 = 34,281.62/x
  3. Step 3: Cross multiply
    61,139.14x = 84,371.69 × 34,281.62
  4. Step 4: Simplify right side
    61,139.14x = 2,892,398,215.34
  5. Step 5: Solve for x
    x = 2,892,398,215.34/61,139.14
  6. Step 6: Final answer
    x = 47,308.45

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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.