Home / 83,953.74-115,851.63-48,145.26

Finding the Fourth Proportional to 83,953.74, 115,851.63 and 48,145.26

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Solution

The fourth proportional to 83,953.74, 115,851.63 and 48,145.26 is: 66,437.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,953.74 : 115,851.63 = 48,145.26 : x
  2. Step 2: Convert to fraction form
    83,953.74/115,851.63 = 48,145.26/x
  3. Step 3: Cross multiply
    83,953.74x = 115,851.63 × 48,145.26
  4. Step 4: Simplify right side
    83,953.74x = 5,577,706,847.77
  5. Step 5: Solve for x
    x = 5,577,706,847.77/83,953.74
  6. Step 6: Final answer
    x = 66,437.86

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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.