Home / 52,149.86-78,224.64-45,108.93

Finding the Fourth Proportional to 52,149.86, 78,224.64 and 45,108.93

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Solution

The fourth proportional to 52,149.86, 78,224.64 and 45,108.93 is: 67,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,149.86 : 78,224.64 = 45,108.93 : x
  2. Step 2: Convert to fraction form
    52,149.86/78,224.64 = 45,108.93/x
  3. Step 3: Cross multiply
    52,149.86x = 78,224.64 × 45,108.93
  4. Step 4: Simplify right side
    52,149.86x = 3,528,629,934.22
  5. Step 5: Solve for x
    x = 3,528,629,934.22/52,149.86
  6. Step 6: Final answer
    x = 67,663.27

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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.