Home / 113,346.81-156,418.61-62,358.45

Finding the Fourth Proportional to 113,346.81, 156,418.61 and 62,358.45

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Solution

The fourth proportional to 113,346.81, 156,418.61 and 62,358.45 is: 86,054.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,346.81 : 156,418.61 = 62,358.45 : x
  2. Step 2: Convert to fraction form
    113,346.81/156,418.61 = 62,358.45/x
  3. Step 3: Cross multiply
    113,346.81x = 156,418.61 × 62,358.45
  4. Step 4: Simplify right side
    113,346.81x = 9,754,022,070.75
  5. Step 5: Solve for x
    x = 9,754,022,070.75/113,346.81
  6. Step 6: Final answer
    x = 86,054.67

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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.