Home / 74,316.47-111,447.80-31,624.74

Finding the Fourth Proportional to 74,316.47, 111,447.80 and 31,624.74

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Solution

The fourth proportional to 74,316.47, 111,447.80 and 31,624.74 is: 47,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,316.47 : 111,447.80 = 31,624.74 : x
  2. Step 2: Convert to fraction form
    74,316.47/111,447.80 = 31,624.74/x
  3. Step 3: Cross multiply
    74,316.47x = 111,447.80 × 31,624.74
  4. Step 4: Simplify right side
    74,316.47x = 3,524,508,056.25
  5. Step 5: Solve for x
    x = 3,524,508,056.25/74,316.47
  6. Step 6: Final answer
    x = 47,425.67

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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.