Home / 106,402.86-159,627.63-31,528.83

Finding the Fourth Proportional to 106,402.86, 159,627.63 and 31,528.83

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Solution

The fourth proportional to 106,402.86, 159,627.63 and 31,528.83 is: 47,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,402.86 : 159,627.63 = 31,528.83 : x
  2. Step 2: Convert to fraction form
    106,402.86/159,627.63 = 31,528.83/x
  3. Step 3: Cross multiply
    106,402.86x = 159,627.63 × 31,528.83
  4. Step 4: Simplify right side
    106,402.86x = 5,032,872,409.57
  5. Step 5: Solve for x
    x = 5,032,872,409.57/106,402.86
  6. Step 6: Final answer
    x = 47,300.16

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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.