Home / 92,817.64-128,088.41-50,376.16

Finding the Fourth Proportional to 92,817.64, 128,088.41 and 50,376.16

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Solution

The fourth proportional to 92,817.64, 128,088.41 and 50,376.16 is: 69,519.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,817.64 : 128,088.41 = 50,376.16 : x
  2. Step 2: Convert to fraction form
    92,817.64/128,088.41 = 50,376.16/x
  3. Step 3: Cross multiply
    92,817.64x = 128,088.41 × 50,376.16
  4. Step 4: Simplify right side
    92,817.64x = 6,452,602,236.31
  5. Step 5: Solve for x
    x = 6,452,602,236.31/92,817.64
  6. Step 6: Final answer
    x = 69,519.14

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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.