Home / 92,951.19-128,272.55-50,509.62

Finding the Fourth Proportional to 92,951.19, 128,272.55 and 50,509.62

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Solution

The fourth proportional to 92,951.19, 128,272.55 and 50,509.62 is: 69,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,951.19 : 128,272.55 = 50,509.62 : x
  2. Step 2: Convert to fraction form
    92,951.19/128,272.55 = 50,509.62/x
  3. Step 3: Cross multiply
    92,951.19x = 128,272.55 × 50,509.62
  4. Step 4: Simplify right side
    92,951.19x = 6,478,997,504.38
  5. Step 5: Solve for x
    x = 6,478,997,504.38/92,951.19
  6. Step 6: Final answer
    x = 69,703.22

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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.