Home / 58,901.90-81,258.28-39,775.56

Finding the Fourth Proportional to 58,901.90, 81,258.28 and 39,775.56

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Solution

The fourth proportional to 58,901.90, 81,258.28 and 39,775.56 is: 54,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,901.90 : 81,258.28 = 39,775.56 : x
  2. Step 2: Convert to fraction form
    58,901.90/81,258.28 = 39,775.56/x
  3. Step 3: Cross multiply
    58,901.90x = 81,258.28 × 39,775.56
  4. Step 4: Simplify right side
    58,901.90x = 3,232,093,591.64
  5. Step 5: Solve for x
    x = 3,232,093,591.64/58,901.90
  6. Step 6: Final answer
    x = 54,872.48

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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.