Home / 88,500.42-132,750.63-51,538.50

Finding the Fourth Proportional to 88,500.42, 132,750.63 and 51,538.50

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Solution

The fourth proportional to 88,500.42, 132,750.63 and 51,538.50 is: 77,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,500.42 : 132,750.63 = 51,538.50 : x
  2. Step 2: Convert to fraction form
    88,500.42/132,750.63 = 51,538.50/x
  3. Step 3: Cross multiply
    88,500.42x = 132,750.63 × 51,538.50
  4. Step 4: Simplify right side
    88,500.42x = 6,841,768,344.26
  5. Step 5: Solve for x
    x = 6,841,768,344.26/88,500.42
  6. Step 6: Final answer
    x = 77,307.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.