Home / 112,595.16-155,383.29-61,612.35

Finding the Fourth Proportional to 112,595.16, 155,383.29 and 61,612.35

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Solution

The fourth proportional to 112,595.16, 155,383.29 and 61,612.35 is: 85,026.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,595.16 : 155,383.29 = 61,612.35 : x
  2. Step 2: Convert to fraction form
    112,595.16/155,383.29 = 61,612.35/x
  3. Step 3: Cross multiply
    112,595.16x = 155,383.29 × 61,612.35
  4. Step 4: Simplify right side
    112,595.16x = 9,573,530,230.32
  5. Step 5: Solve for x
    x = 9,573,530,230.32/112,595.16
  6. Step 6: Final answer
    x = 85,026.13

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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.