Home / 83,700.84-115,507.08-45,977.52

Finding the Fourth Proportional to 83,700.84, 115,507.08 and 45,977.52

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Solution

The fourth proportional to 83,700.84, 115,507.08 and 45,977.52 is: 63,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,700.84 : 115,507.08 = 45,977.52 : x
  2. Step 2: Convert to fraction form
    83,700.84/115,507.08 = 45,977.52/x
  3. Step 3: Cross multiply
    83,700.84x = 115,507.08 × 45,977.52
  4. Step 4: Simplify right side
    83,700.84x = 5,310,729,080.84
  5. Step 5: Solve for x
    x = 5,310,729,080.84/83,700.84
  6. Step 6: Final answer
    x = 63,448.93

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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.