Home / 92,982.69-128,316.83-50,541.12

Finding the Fourth Proportional to 92,982.69, 128,316.83 and 50,541.12

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Solution

The fourth proportional to 92,982.69, 128,316.83 and 50,541.12 is: 69,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,982.69 : 128,316.83 = 50,541.12 : x
  2. Step 2: Convert to fraction form
    92,982.69/128,316.83 = 50,541.12/x
  3. Step 3: Cross multiply
    92,982.69x = 128,316.83 × 50,541.12
  4. Step 4: Simplify right side
    92,982.69x = 6,485,276,050.34
  5. Step 5: Solve for x
    x = 6,485,276,050.34/92,982.69
  6. Step 6: Final answer
    x = 69,747.13

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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.