Home / 92,077.07-138,117.38-28,899.24

Finding the Fourth Proportional to 92,077.07, 138,117.38 and 28,899.24

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Solution

The fourth proportional to 92,077.07, 138,117.38 and 28,899.24 is: 43,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,077.07 : 138,117.38 = 28,899.24 : x
  2. Step 2: Convert to fraction form
    92,077.07/138,117.38 = 28,899.24/x
  3. Step 3: Cross multiply
    92,077.07x = 138,117.38 × 28,899.24
  4. Step 4: Simplify right side
    92,077.07x = 3,991,487,312.79
  5. Step 5: Solve for x
    x = 3,991,487,312.79/92,077.07
  6. Step 6: Final answer
    x = 43,349.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.