Home / 112,890.04-169,085.21-46,127.61

Finding the Fourth Proportional to 112,890.04, 169,085.21 and 46,127.61

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Solution

The fourth proportional to 112,890.04, 169,085.21 and 46,127.61 is: 69,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,890.04 : 169,085.21 = 46,127.61 : x
  2. Step 2: Convert to fraction form
    112,890.04/169,085.21 = 46,127.61/x
  3. Step 3: Cross multiply
    112,890.04x = 169,085.21 × 46,127.61
  4. Step 4: Simplify right side
    112,890.04x = 7,799,496,393.01
  5. Step 5: Solve for x
    x = 7,799,496,393.01/112,890.04
  6. Step 6: Final answer
    x = 69,089.32

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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.