Home / 78,259.53-107,998.14-44,267.28

Finding the Fourth Proportional to 78,259.53, 107,998.14 and 44,267.28

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Solution

The fourth proportional to 78,259.53, 107,998.14 and 44,267.28 is: 61,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,259.53 : 107,998.14 = 44,267.28 : x
  2. Step 2: Convert to fraction form
    78,259.53/107,998.14 = 44,267.28/x
  3. Step 3: Cross multiply
    78,259.53x = 107,998.14 × 44,267.28
  4. Step 4: Simplify right side
    78,259.53x = 4,780,783,902.86
  5. Step 5: Solve for x
    x = 4,780,783,902.86/78,259.53
  6. Step 6: Final answer
    x = 61,088.84

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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.