Home / 58,708.20-81,018.90-34,854.60

Finding the Fourth Proportional to 58,708.20, 81,018.90 and 34,854.60

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Solution

The fourth proportional to 58,708.20, 81,018.90 and 34,854.60 is: 48,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,708.20 : 81,018.90 = 34,854.60 : x
  2. Step 2: Convert to fraction form
    58,708.20/81,018.90 = 34,854.60/x
  3. Step 3: Cross multiply
    58,708.20x = 81,018.90 × 34,854.60
  4. Step 4: Simplify right side
    58,708.20x = 2,823,881,351.94
  5. Step 5: Solve for x
    x = 2,823,881,351.94/58,708.20
  6. Step 6: Final answer
    x = 48,100.29

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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.