Home / 112,014.80-154,580.34-61,713.80

Finding the Fourth Proportional to 112,014.80, 154,580.34 and 61,713.80

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Solution

The fourth proportional to 112,014.80, 154,580.34 and 61,713.80 is: 85,165.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,014.80 : 154,580.34 = 61,713.80 : x
  2. Step 2: Convert to fraction form
    112,014.80/154,580.34 = 61,713.80/x
  3. Step 3: Cross multiply
    112,014.80x = 154,580.34 × 61,713.80
  4. Step 4: Simplify right side
    112,014.80x = 9,539,740,804.57
  5. Step 5: Solve for x
    x = 9,539,740,804.57/112,014.80
  6. Step 6: Final answer
    x = 85,165.00

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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.