Home / 92,815.55-128,081.58-52,531.53

Finding the Fourth Proportional to 92,815.55, 128,081.58 and 52,531.53

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Solution

The fourth proportional to 92,815.55, 128,081.58 and 52,531.53 is: 72,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,815.55 : 128,081.58 = 52,531.53 : x
  2. Step 2: Convert to fraction form
    92,815.55/128,081.58 = 52,531.53/x
  3. Step 3: Cross multiply
    92,815.55x = 128,081.58 × 52,531.53
  4. Step 4: Simplify right side
    92,815.55x = 6,728,321,362.22
  5. Step 5: Solve for x
    x = 6,728,321,362.22/92,815.55
  6. Step 6: Final answer
    x = 72,491.32

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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.