Home / 99,730.55-137,611.23-59,443.58

Finding the Fourth Proportional to 99,730.55, 137,611.23 and 59,443.58

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Solution

The fourth proportional to 99,730.55, 137,611.23 and 59,443.58 is: 82,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,730.55 : 137,611.23 = 59,443.58 : x
  2. Step 2: Convert to fraction form
    99,730.55/137,611.23 = 59,443.58/x
  3. Step 3: Cross multiply
    99,730.55x = 137,611.23 × 59,443.58
  4. Step 4: Simplify right side
    99,730.55x = 8,180,104,159.40
  5. Step 5: Solve for x
    x = 8,180,104,159.40/99,730.55
  6. Step 6: Final answer
    x = 82,022.05

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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.