Home / 74,810.86-103,238.94-47,953.34

Finding the Fourth Proportional to 74,810.86, 103,238.94 and 47,953.34

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Solution

The fourth proportional to 74,810.86, 103,238.94 and 47,953.34 is: 66,175.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,810.86 : 103,238.94 = 47,953.34 : x
  2. Step 2: Convert to fraction form
    74,810.86/103,238.94 = 47,953.34/x
  3. Step 3: Cross multiply
    74,810.86x = 103,238.94 × 47,953.34
  4. Step 4: Simplify right side
    74,810.86x = 4,950,652,249.16
  5. Step 5: Solve for x
    x = 4,950,652,249.16/74,810.86
  6. Step 6: Final answer
    x = 66,175.58

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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.