Home / 92,834.16-128,111.04-50,393.76

Finding the Fourth Proportional to 92,834.16, 128,111.04 and 50,393.76

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Solution

The fourth proportional to 92,834.16, 128,111.04 and 50,393.76 is: 69,543.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,834.16 : 128,111.04 = 50,393.76 : x
  2. Step 2: Convert to fraction form
    92,834.16/128,111.04 = 50,393.76/x
  3. Step 3: Cross multiply
    92,834.16x = 128,111.04 × 50,393.76
  4. Step 4: Simplify right side
    92,834.16x = 6,455,997,003.11
  5. Step 5: Solve for x
    x = 6,455,997,003.11/92,834.16
  6. Step 6: Final answer
    x = 69,543.33

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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.