Home / 83,690.07-115,494.63-45,966.75

Finding the Fourth Proportional to 83,690.07, 115,494.63 and 45,966.75

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Solution

The fourth proportional to 83,690.07, 115,494.63 and 45,966.75 is: 63,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,690.07 : 115,494.63 = 45,966.75 : x
  2. Step 2: Convert to fraction form
    83,690.07/115,494.63 = 45,966.75/x
  3. Step 3: Cross multiply
    83,690.07x = 115,494.63 × 45,966.75
  4. Step 4: Simplify right side
    83,690.07x = 5,308,912,783.55
  5. Step 5: Solve for x
    x = 5,308,912,783.55/83,690.07
  6. Step 6: Final answer
    x = 63,435.40

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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.