Home / 94,787.36-130,812-57,073.76

Finding the Fourth Proportional to 94,787.36, 130,812 and 57,073.76

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Solution

The fourth proportional to 94,787.36, 130,812 and 57,073.76 is: 78,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,787.36 : 130,812 = 57,073.76 : x
  2. Step 2: Convert to fraction form
    94,787.36/130,812 = 57,073.76/x
  3. Step 3: Cross multiply
    94,787.36x = 130,812 × 57,073.76
  4. Step 4: Simplify right side
    94,787.36x = 7,465,932,693.12
  5. Step 5: Solve for x
    x = 7,465,932,693.12/94,787.36
  6. Step 6: Final answer
    x = 78,765.07

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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.