Home / 75,077.32-103,605.08-41,085.66

Finding the Fourth Proportional to 75,077.32, 103,605.08 and 41,085.66

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Solution

The fourth proportional to 75,077.32, 103,605.08 and 41,085.66 is: 56,697.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,077.32 : 103,605.08 = 41,085.66 : x
  2. Step 2: Convert to fraction form
    75,077.32/103,605.08 = 41,085.66/x
  3. Step 3: Cross multiply
    75,077.32x = 103,605.08 × 41,085.66
  4. Step 4: Simplify right side
    75,077.32x = 4,256,683,091.15
  5. Step 5: Solve for x
    x = 4,256,683,091.15/75,077.32
  6. Step 6: Final answer
    x = 56,697.32

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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.