Home / 92,859.10-128,144.28-52,571.82

Finding the Fourth Proportional to 92,859.10, 128,144.28 and 52,571.82

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Solution

The fourth proportional to 92,859.10, 128,144.28 and 52,571.82 is: 72,548.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,859.10 : 128,144.28 = 52,571.82 : x
  2. Step 2: Convert to fraction form
    92,859.10/128,144.28 = 52,571.82/x
  3. Step 3: Cross multiply
    92,859.10x = 128,144.28 × 52,571.82
  4. Step 4: Simplify right side
    92,859.10x = 6,736,778,022.19
  5. Step 5: Solve for x
    x = 6,736,778,022.19/92,859.10
  6. Step 6: Final answer
    x = 72,548.39

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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.