Home / 112,865.91-169,312.98-41,776.56

Finding the Fourth Proportional to 112,865.91, 169,312.98 and 41,776.56

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Solution

The fourth proportional to 112,865.91, 169,312.98 and 41,776.56 is: 62,670.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,865.91 : 169,312.98 = 41,776.56 : x
  2. Step 2: Convert to fraction form
    112,865.91/169,312.98 = 41,776.56/x
  3. Step 3: Cross multiply
    112,865.91x = 169,312.98 × 41,776.56
  4. Step 4: Simplify right side
    112,865.91x = 7,073,314,024.41
  5. Step 5: Solve for x
    x = 7,073,314,024.41/112,865.91
  6. Step 6: Final answer
    x = 62,670.07

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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.