Home / 112,038.56-154,611.21-61,051.65

Finding the Fourth Proportional to 112,038.56, 154,611.21 and 61,051.65

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Solution

The fourth proportional to 112,038.56, 154,611.21 and 61,051.65 is: 84,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,038.56 : 154,611.21 = 61,051.65 : x
  2. Step 2: Convert to fraction form
    112,038.56/154,611.21 = 61,051.65/x
  3. Step 3: Cross multiply
    112,038.56x = 154,611.21 × 61,051.65
  4. Step 4: Simplify right side
    112,038.56x = 9,439,269,479.00
  5. Step 5: Solve for x
    x = 9,439,269,479.00/112,038.56
  6. Step 6: Final answer
    x = 84,250.19

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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.