Home / 113,506.47-156,563.93-70,991.19

Finding the Fourth Proportional to 113,506.47, 156,563.93 and 70,991.19

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Solution

The fourth proportional to 113,506.47, 156,563.93 and 70,991.19 is: 97,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,506.47 : 156,563.93 = 70,991.19 : x
  2. Step 2: Convert to fraction form
    113,506.47/156,563.93 = 70,991.19/x
  3. Step 3: Cross multiply
    113,506.47x = 156,563.93 × 70,991.19
  4. Step 4: Simplify right side
    113,506.47x = 11,114,659,346.82
  5. Step 5: Solve for x
    x = 11,114,659,346.82/113,506.47
  6. Step 6: Final answer
    x = 97,920.93

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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.