Home / 112,038.64-154,611.33-61,051.81

Finding the Fourth Proportional to 112,038.64, 154,611.33 and 61,051.81

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Solution

The fourth proportional to 112,038.64, 154,611.33 and 61,051.81 is: 84,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,038.64 : 154,611.33 = 61,051.81 : x
  2. Step 2: Convert to fraction form
    112,038.64/154,611.33 = 61,051.81/x
  3. Step 3: Cross multiply
    112,038.64x = 154,611.33 × 61,051.81
  4. Step 4: Simplify right side
    112,038.64x = 9,439,302,213.11
  5. Step 5: Solve for x
    x = 9,439,302,213.11/112,038.64
  6. Step 6: Final answer
    x = 84,250.42

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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.