Home / 112,703.10-155,529.99-62,403.90

Finding the Fourth Proportional to 112,703.10, 155,529.99 and 62,403.90

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Solution

The fourth proportional to 112,703.10, 155,529.99 and 62,403.90 is: 86,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,703.10 : 155,529.99 = 62,403.90 : x
  2. Step 2: Convert to fraction form
    112,703.10/155,529.99 = 62,403.90/x
  3. Step 3: Cross multiply
    112,703.10x = 155,529.99 × 62,403.90
  4. Step 4: Simplify right side
    112,703.10x = 9,705,677,942.96
  5. Step 5: Solve for x
    x = 9,705,677,942.96/112,703.10
  6. Step 6: Final answer
    x = 86,117.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.