Home / 112,038.50-154,611.10-61,051.66

Finding the Fourth Proportional to 112,038.50, 154,611.10 and 61,051.66

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Solution

The fourth proportional to 112,038.50, 154,611.10 and 61,051.66 is: 84,250.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,038.50 : 154,611.10 = 61,051.66 : x
  2. Step 2: Convert to fraction form
    112,038.50/154,611.10 = 61,051.66/x
  3. Step 3: Cross multiply
    112,038.50x = 154,611.10 × 61,051.66
  4. Step 4: Simplify right side
    112,038.50x = 9,439,264,309.43
  5. Step 5: Solve for x
    x = 9,439,264,309.43/112,038.50
  6. Step 6: Final answer
    x = 84,250.18

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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.