Home / 113,077.87-156,040.48-62,090.40

Finding the Fourth Proportional to 113,077.87, 156,040.48 and 62,090.40

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Solution

The fourth proportional to 113,077.87, 156,040.48 and 62,090.40 is: 85,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,077.87 : 156,040.48 = 62,090.40 : x
  2. Step 2: Convert to fraction form
    113,077.87/156,040.48 = 62,090.40/x
  3. Step 3: Cross multiply
    113,077.87x = 156,040.48 × 62,090.40
  4. Step 4: Simplify right side
    113,077.87x = 9,688,615,255.17
  5. Step 5: Solve for x
    x = 9,688,615,255.17/113,077.87
  6. Step 6: Final answer
    x = 85,680.91

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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.