Home / 92,890.99-128,191.04-52,603.66

Finding the Fourth Proportional to 92,890.99, 128,191.04 and 52,603.66

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Solution

The fourth proportional to 92,890.99, 128,191.04 and 52,603.66 is: 72,593.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,890.99 : 128,191.04 = 52,603.66 : x
  2. Step 2: Convert to fraction form
    92,890.99/128,191.04 = 52,603.66/x
  3. Step 3: Cross multiply
    92,890.99x = 128,191.04 × 52,603.66
  4. Step 4: Simplify right side
    92,890.99x = 6,743,317,883.21
  5. Step 5: Solve for x
    x = 6,743,317,883.21/92,890.99
  6. Step 6: Final answer
    x = 72,593.89

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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.