Home / 67,070.18-92,555-36,855.42

Finding the Fourth Proportional to 67,070.18, 92,555 and 36,855.42

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Solution

The fourth proportional to 67,070.18, 92,555 and 36,855.42 is: 50,859.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,070.18 : 92,555 = 36,855.42 : x
  2. Step 2: Convert to fraction form
    67,070.18/92,555 = 36,855.42/x
  3. Step 3: Cross multiply
    67,070.18x = 92,555 × 36,855.42
  4. Step 4: Simplify right side
    67,070.18x = 3,411,153,398.10
  5. Step 5: Solve for x
    x = 3,411,153,398.10/67,070.18
  6. Step 6: Final answer
    x = 50,859.46

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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.