Home / 77,026.86-106,193.97-69,153.66

Finding the Fourth Proportional to 77,026.86, 106,193.97 and 69,153.66

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Solution

The fourth proportional to 77,026.86, 106,193.97 and 69,153.66 is: 95,339.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,026.86 : 106,193.97 = 69,153.66 : x
  2. Step 2: Convert to fraction form
    77,026.86/106,193.97 = 69,153.66/x
  3. Step 3: Cross multiply
    77,026.86x = 106,193.97 × 69,153.66
  4. Step 4: Simplify right side
    77,026.86x = 7,343,701,695.43
  5. Step 5: Solve for x
    x = 7,343,701,695.43/77,026.86
  6. Step 6: Final answer
    x = 95,339.49

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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.