Home / 106,381.29-159,572.46-31,502.85

Finding the Fourth Proportional to 106,381.29, 159,572.46 and 31,502.85

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Solution

The fourth proportional to 106,381.29, 159,572.46 and 31,502.85 is: 47,254.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,381.29 : 159,572.46 = 31,502.85 : x
  2. Step 2: Convert to fraction form
    106,381.29/159,572.46 = 31,502.85/x
  3. Step 3: Cross multiply
    106,381.29x = 159,572.46 × 31,502.85
  4. Step 4: Simplify right side
    106,381.29x = 5,026,987,271.51
  5. Step 5: Solve for x
    x = 5,026,987,271.51/106,381.29
  6. Step 6: Final answer
    x = 47,254.43

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1.5x scale

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.