Home / 92,845.29-128,156.99-54,603.16

Finding the Fourth Proportional to 92,845.29, 128,156.99 and 54,603.16

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Solution

The fourth proportional to 92,845.29, 128,156.99 and 54,603.16 is: 75,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,845.29 : 128,156.99 = 54,603.16 : x
  2. Step 2: Convert to fraction form
    92,845.29/128,156.99 = 54,603.16/x
  3. Step 3: Cross multiply
    92,845.29x = 128,156.99 × 54,603.16
  4. Step 4: Simplify right side
    92,845.29x = 6,997,776,757.56
  5. Step 5: Solve for x
    x = 6,997,776,757.56/92,845.29
  6. Step 6: Final answer
    x = 75,370.30

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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.