Home / 74,397.15-111,573.86-40,624.40

Finding the Fourth Proportional to 74,397.15, 111,573.86 and 40,624.40

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Solution

The fourth proportional to 74,397.15, 111,573.86 and 40,624.40 is: 60,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,397.15 : 111,573.86 = 40,624.40 : x
  2. Step 2: Convert to fraction form
    74,397.15/111,573.86 = 40,624.40/x
  3. Step 3: Cross multiply
    74,397.15x = 111,573.86 × 40,624.40
  4. Step 4: Simplify right side
    74,397.15x = 4,532,621,194.00
  5. Step 5: Solve for x
    x = 4,532,621,194.00/74,397.15
  6. Step 6: Final answer
    x = 60,924.66

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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.