Home / 77,543.09-107,050.10-52,182.80

Finding the Fourth Proportional to 77,543.09, 107,050.10 and 52,182.80

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Solution

The fourth proportional to 77,543.09, 107,050.10 and 52,182.80 is: 72,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,543.09 : 107,050.10 = 52,182.80 : x
  2. Step 2: Convert to fraction form
    77,543.09/107,050.10 = 52,182.80/x
  3. Step 3: Cross multiply
    77,543.09x = 107,050.10 × 52,182.80
  4. Step 4: Simplify right side
    77,543.09x = 5,586,173,958.28
  5. Step 5: Solve for x
    x = 5,586,173,958.28/77,543.09
  6. Step 6: Final answer
    x = 72,039.61

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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.