Home / 93,708.90-140,344.65-91,829.70

Finding the Fourth Proportional to 93,708.90, 140,344.65 and 91,829.70

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Solution

The fourth proportional to 93,708.90, 140,344.65 and 91,829.70 is: 137,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,708.90 : 140,344.65 = 91,829.70 : x
  2. Step 2: Convert to fraction form
    93,708.90/140,344.65 = 91,829.70/x
  3. Step 3: Cross multiply
    93,708.90x = 140,344.65 × 91,829.70
  4. Step 4: Simplify right side
    93,708.90x = 12,887,807,106.11
  5. Step 5: Solve for x
    x = 12,887,807,106.11/93,708.90
  6. Step 6: Final answer
    x = 137,530.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.