Home / 90,700.26-136,051.77-34,543.49

Finding the Fourth Proportional to 90,700.26, 136,051.77 and 34,543.49

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Solution

The fourth proportional to 90,700.26, 136,051.77 and 34,543.49 is: 51,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,700.26 : 136,051.77 = 34,543.49 : x
  2. Step 2: Convert to fraction form
    90,700.26/136,051.77 = 34,543.49/x
  3. Step 3: Cross multiply
    90,700.26x = 136,051.77 × 34,543.49
  4. Step 4: Simplify right side
    90,700.26x = 4,699,702,276.22
  5. Step 5: Solve for x
    x = 4,699,702,276.22/90,700.26
  6. Step 6: Final answer
    x = 51,815.75

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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.