Home / 92,855.04-128,147.84-52,575.88

Finding the Fourth Proportional to 92,855.04, 128,147.84 and 52,575.88

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Solution

The fourth proportional to 92,855.04, 128,147.84 and 52,575.88 is: 72,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,855.04 : 128,147.84 = 52,575.88 : x
  2. Step 2: Convert to fraction form
    92,855.04/128,147.84 = 52,575.88/x
  3. Step 3: Cross multiply
    92,855.04x = 128,147.84 × 52,575.88
  4. Step 4: Simplify right side
    92,855.04x = 6,737,485,458.10
  5. Step 5: Solve for x
    x = 6,737,485,458.10/92,855.04
  6. Step 6: Final answer
    x = 72,559.18

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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.