Home / 113,102.16-156,093.47-64,708.58

Finding the Fourth Proportional to 113,102.16, 156,093.47 and 64,708.58

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Solution

The fourth proportional to 113,102.16, 156,093.47 and 64,708.58 is: 89,304.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,102.16 : 156,093.47 = 64,708.58 : x
  2. Step 2: Convert to fraction form
    113,102.16/156,093.47 = 64,708.58/x
  3. Step 3: Cross multiply
    113,102.16x = 156,093.47 × 64,708.58
  4. Step 4: Simplify right side
    113,102.16x = 10,100,585,686.96
  5. Step 5: Solve for x
    x = 10,100,585,686.96/113,102.16
  6. Step 6: Final answer
    x = 89,304.98

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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.