Home / 112,892.15-169,088.39-46,129.72

Finding the Fourth Proportional to 112,892.15, 169,088.39 and 46,129.72

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Solution

The fourth proportional to 112,892.15, 169,088.39 and 46,129.72 is: 69,092.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,892.15 : 169,088.39 = 46,129.72 : x
  2. Step 2: Convert to fraction form
    112,892.15/169,088.39 = 46,129.72/x
  3. Step 3: Cross multiply
    112,892.15x = 169,088.39 × 46,129.72
  4. Step 4: Simplify right side
    112,892.15x = 7,800,000,085.95
  5. Step 5: Solve for x
    x = 7,800,000,085.95/112,892.15
  6. Step 6: Final answer
    x = 69,092.49

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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.