Home / 92,817.16-128,093.52-52,515.58

Finding the Fourth Proportional to 92,817.16, 128,093.52 and 52,515.58

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Solution

The fourth proportional to 92,817.16, 128,093.52 and 52,515.58 is: 72,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.16 : 128,093.52 = 52,515.58 : x
  2. Step 2: Convert to fraction form
    92,817.16/128,093.52 = 52,515.58/x
  3. Step 3: Cross multiply
    92,817.16x = 128,093.52 × 52,515.58
  4. Step 4: Simplify right side
    92,817.16x = 6,726,905,497.04
  5. Step 5: Solve for x
    x = 6,726,905,497.04/92,817.16
  6. Step 6: Final answer
    x = 72,474.80

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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.