Home / 81,757.01-112,827.53-45,946.31

Finding the Fourth Proportional to 81,757.01, 112,827.53 and 45,946.31

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Solution

The fourth proportional to 81,757.01, 112,827.53 and 45,946.31 is: 63,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,757.01 : 112,827.53 = 45,946.31 : x
  2. Step 2: Convert to fraction form
    81,757.01/112,827.53 = 45,946.31/x
  3. Step 3: Cross multiply
    81,757.01x = 112,827.53 × 45,946.31
  4. Step 4: Simplify right side
    81,757.01x = 5,184,008,220.64
  5. Step 5: Solve for x
    x = 5,184,008,220.64/81,757.01
  6. Step 6: Final answer
    x = 63,407.51

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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.