Home / 92,817.97-128,088.92-50,376.50

Finding the Fourth Proportional to 92,817.97, 128,088.92 and 50,376.50

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Solution

The fourth proportional to 92,817.97, 128,088.92 and 50,376.50 is: 69,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.97 : 128,088.92 = 50,376.50 : x
  2. Step 2: Convert to fraction form
    92,817.97/128,088.92 = 50,376.50/x
  3. Step 3: Cross multiply
    92,817.97x = 128,088.92 × 50,376.50
  4. Step 4: Simplify right side
    92,817.97x = 6,452,671,444.21
  5. Step 5: Solve for x
    x = 6,452,671,444.21/92,817.97
  6. Step 6: Final answer
    x = 69,519.64

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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.