Home / 88,870.24-122,654.28-51,137.20

Finding the Fourth Proportional to 88,870.24, 122,654.28 and 51,137.20

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Solution

The fourth proportional to 88,870.24, 122,654.28 and 51,137.20 is: 70,577.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,870.24 : 122,654.28 = 51,137.20 : x
  2. Step 2: Convert to fraction form
    88,870.24/122,654.28 = 51,137.20/x
  3. Step 3: Cross multiply
    88,870.24x = 122,654.28 × 51,137.20
  4. Step 4: Simplify right side
    88,870.24x = 6,272,196,447.22
  5. Step 5: Solve for x
    x = 6,272,196,447.22/88,870.24
  6. Step 6: Final answer
    x = 70,577.02

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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.