Home / 112,038.03-154,611.72-61,737.03

Finding the Fourth Proportional to 112,038.03, 154,611.72 and 61,737.03

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Solution

The fourth proportional to 112,038.03, 154,611.72 and 61,737.03 is: 85,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,038.03 : 154,611.72 = 61,737.03 : x
  2. Step 2: Convert to fraction form
    112,038.03/154,611.72 = 61,737.03/x
  3. Step 3: Cross multiply
    112,038.03x = 154,611.72 × 61,737.03
  4. Step 4: Simplify right side
    112,038.03x = 9,545,268,395.99
  5. Step 5: Solve for x
    x = 9,545,268,395.99/112,038.03
  6. Step 6: Final answer
    x = 85,196.68

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1.5x scale

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.