Home / 113,071.31-156,041.37-62,087.32

Finding the Fourth Proportional to 113,071.31, 156,041.37 and 62,087.32

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Solution

The fourth proportional to 113,071.31, 156,041.37 and 62,087.32 is: 85,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,071.31 : 156,041.37 = 62,087.32 : x
  2. Step 2: Convert to fraction form
    113,071.31/156,041.37 = 62,087.32/x
  3. Step 3: Cross multiply
    113,071.31x = 156,041.37 × 62,087.32
  4. Step 4: Simplify right side
    113,071.31x = 9,688,190,472.43
  5. Step 5: Solve for x
    x = 9,688,190,472.43/113,071.31
  6. Step 6: Final answer
    x = 85,682.13

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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.