Home / 83,787.66-115,644.60-53,140.92

Finding the Fourth Proportional to 83,787.66, 115,644.60 and 53,140.92

Calculator

Solution

The fourth proportional to 83,787.66, 115,644.60 and 53,140.92 is: 73,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,787.66 : 115,644.60 = 53,140.92 : x
  2. Step 2: Convert to fraction form
    83,787.66/115,644.60 = 53,140.92/x
  3. Step 3: Cross multiply
    83,787.66x = 115,644.60 × 53,140.92
  4. Step 4: Simplify right side
    83,787.66x = 6,145,460,437.03
  5. Step 5: Solve for x
    x = 6,145,460,437.03/83,787.66
  6. Step 6: Final answer
    x = 73,345.65

Related Problems

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.