Home / 112,157.93-154,773.66-61,856.93

Finding the Fourth Proportional to 112,157.93, 154,773.66 and 61,856.93

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Solution

The fourth proportional to 112,157.93, 154,773.66 and 61,856.93 is: 85,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,157.93 : 154,773.66 = 61,856.93 : x
  2. Step 2: Convert to fraction form
    112,157.93/154,773.66 = 61,856.93/x
  3. Step 3: Cross multiply
    112,157.93x = 154,773.66 × 61,856.93
  4. Step 4: Simplify right side
    112,157.93x = 9,573,822,369.31
  5. Step 5: Solve for x
    x = 9,573,822,369.31/112,157.93
  6. Step 6: Final answer
    x = 85,360.20

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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.