Home / 112,038.15-154,610.64-61,051.32

Finding the Fourth Proportional to 112,038.15, 154,610.64 and 61,051.32

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Solution

The fourth proportional to 112,038.15, 154,610.64 and 61,051.32 is: 84,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,038.15 : 154,610.64 = 61,051.32 : x
  2. Step 2: Convert to fraction form
    112,038.15/154,610.64 = 61,051.32/x
  3. Step 3: Cross multiply
    112,038.15x = 154,610.64 × 61,051.32
  4. Step 4: Simplify right side
    112,038.15x = 9,439,183,658.04
  5. Step 5: Solve for x
    x = 9,439,183,658.04/112,038.15
  6. Step 6: Final answer
    x = 84,249.73

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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.