Home / 75,346.74-113,020.02-70,364.52

Finding the Fourth Proportional to 75,346.74, 113,020.02 and 70,364.52

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Solution

The fourth proportional to 75,346.74, 113,020.02 and 70,364.52 is: 105,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,346.74 : 113,020.02 = 70,364.52 : x
  2. Step 2: Convert to fraction form
    75,346.74/113,020.02 = 70,364.52/x
  3. Step 3: Cross multiply
    75,346.74x = 113,020.02 × 70,364.52
  4. Step 4: Simplify right side
    75,346.74x = 7,952,599,457.69
  5. Step 5: Solve for x
    x = 7,952,599,457.69/75,346.74
  6. Step 6: Final answer
    x = 105,546.70

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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.