Home / 109,975.56-164,963.28-39,854.76

Finding the Fourth Proportional to 109,975.56, 164,963.28 and 39,854.76

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Solution

The fourth proportional to 109,975.56, 164,963.28 and 39,854.76 is: 59,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,975.56 : 164,963.28 = 39,854.76 : x
  2. Step 2: Convert to fraction form
    109,975.56/164,963.28 = 39,854.76/x
  3. Step 3: Cross multiply
    109,975.56x = 164,963.28 × 39,854.76
  4. Step 4: Simplify right side
    109,975.56x = 6,574,571,933.21
  5. Step 5: Solve for x
    x = 6,574,571,933.21/109,975.56
  6. Step 6: Final answer
    x = 59,782.12

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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.