Home / 116,135.40-174,085.18-45,038.92

Finding the Fourth Proportional to 116,135.40, 174,085.18 and 45,038.92

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Solution

The fourth proportional to 116,135.40, 174,085.18 and 45,038.92 is: 67,512.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,135.40 : 174,085.18 = 45,038.92 : x
  2. Step 2: Convert to fraction form
    116,135.40/174,085.18 = 45,038.92/x
  3. Step 3: Cross multiply
    116,135.40x = 174,085.18 × 45,038.92
  4. Step 4: Simplify right side
    116,135.40x = 7,840,608,495.21
  5. Step 5: Solve for x
    x = 7,840,608,495.21/116,135.40
  6. Step 6: Final answer
    x = 67,512.65

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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.