Home / 112,560.31-168,778.05-46,047.16

Finding the Fourth Proportional to 112,560.31, 168,778.05 and 46,047.16

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Solution

The fourth proportional to 112,560.31, 168,778.05 and 46,047.16 is: 69,045.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,560.31 : 168,778.05 = 46,047.16 : x
  2. Step 2: Convert to fraction form
    112,560.31/168,778.05 = 46,047.16/x
  3. Step 3: Cross multiply
    112,560.31x = 168,778.05 × 46,047.16
  4. Step 4: Simplify right side
    112,560.31x = 7,771,749,872.84
  5. Step 5: Solve for x
    x = 7,771,749,872.84/112,560.31
  6. Step 6: Final answer
    x = 69,045.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.