Home / 99,955.08-137,915.46-59,675.40

Finding the Fourth Proportional to 99,955.08, 137,915.46 and 59,675.40

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Solution

The fourth proportional to 99,955.08, 137,915.46 and 59,675.40 is: 82,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,955.08 : 137,915.46 = 59,675.40 : x
  2. Step 2: Convert to fraction form
    99,955.08/137,915.46 = 59,675.40/x
  3. Step 3: Cross multiply
    99,955.08x = 137,915.46 × 59,675.40
  4. Step 4: Simplify right side
    99,955.08x = 8,230,160,241.68
  5. Step 5: Solve for x
    x = 8,230,160,241.68/99,955.08
  6. Step 6: Final answer
    x = 82,338.59

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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.