Home / 83,921.40-115,811.55-46,195.65

Finding the Fourth Proportional to 83,921.40, 115,811.55 and 46,195.65

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Solution

The fourth proportional to 83,921.40, 115,811.55 and 46,195.65 is: 63,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,921.40 : 115,811.55 = 46,195.65 : x
  2. Step 2: Convert to fraction form
    83,921.40/115,811.55 = 46,195.65/x
  3. Step 3: Cross multiply
    83,921.40x = 115,811.55 × 46,195.65
  4. Step 4: Simplify right side
    83,921.40x = 5,349,989,829.76
  5. Step 5: Solve for x
    x = 5,349,989,829.76/83,921.40
  6. Step 6: Final answer
    x = 63,750.01

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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.