Home / 55,695.18-83,347.54-39,917.58

Finding the Fourth Proportional to 55,695.18, 83,347.54 and 39,917.58

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Solution

The fourth proportional to 55,695.18, 83,347.54 and 39,917.58 is: 59,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,695.18 : 83,347.54 = 39,917.58 : x
  2. Step 2: Convert to fraction form
    55,695.18/83,347.54 = 39,917.58/x
  3. Step 3: Cross multiply
    55,695.18x = 83,347.54 × 39,917.58
  4. Step 4: Simplify right side
    55,695.18x = 3,327,032,095.75
  5. Step 5: Solve for x
    x = 3,327,032,095.75/55,695.18
  6. Step 6: Final answer
    x = 59,736.45

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1.5x scale

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.