Home / 83,870.64-115,777.80-59,955.84

Finding the Fourth Proportional to 83,870.64, 115,777.80 and 59,955.84

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Solution

The fourth proportional to 83,870.64, 115,777.80 and 59,955.84 is: 82,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,870.64 : 115,777.80 = 59,955.84 : x
  2. Step 2: Convert to fraction form
    83,870.64/115,777.80 = 59,955.84/x
  3. Step 3: Cross multiply
    83,870.64x = 115,777.80 × 59,955.84
  4. Step 4: Simplify right side
    83,870.64x = 6,941,555,252.35
  5. Step 5: Solve for x
    x = 6,941,555,252.35/83,870.64
  6. Step 6: Final answer
    x = 82,765.02

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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.