Home / 92,774.25-128,028.47-50,332.77

Finding the Fourth Proportional to 92,774.25, 128,028.47 and 50,332.77

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Solution

The fourth proportional to 92,774.25, 128,028.47 and 50,332.77 is: 69,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,774.25 : 128,028.47 = 50,332.77 : x
  2. Step 2: Convert to fraction form
    92,774.25/128,028.47 = 50,332.77/x
  3. Step 3: Cross multiply
    92,774.25x = 128,028.47 × 50,332.77
  4. Step 4: Simplify right side
    92,774.25x = 6,444,027,282.30
  5. Step 5: Solve for x
    x = 6,444,027,282.30/92,774.25
  6. Step 6: Final answer
    x = 69,459.22

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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.