Home / 49,695.51-74,543.31-12,256.20

Finding the Fourth Proportional to 49,695.51, 74,543.31 and 12,256.20

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Solution

The fourth proportional to 49,695.51, 74,543.31 and 12,256.20 is: 18,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,695.51 : 74,543.31 = 12,256.20 : x
  2. Step 2: Convert to fraction form
    49,695.51/74,543.31 = 12,256.20/x
  3. Step 3: Cross multiply
    49,695.51x = 74,543.31 × 12,256.20
  4. Step 4: Simplify right side
    49,695.51x = 913,617,716.02
  5. Step 5: Solve for x
    x = 913,617,716.02/49,695.51
  6. Step 6: Final answer
    x = 18,384.31

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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.