Home / 92,854.23-128,138.83-50,412.77

Finding the Fourth Proportional to 92,854.23, 128,138.83 and 50,412.77

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Solution

The fourth proportional to 92,854.23, 128,138.83 and 50,412.77 is: 69,569.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,854.23 : 128,138.83 = 50,412.77 : x
  2. Step 2: Convert to fraction form
    92,854.23/128,138.83 = 50,412.77/x
  3. Step 3: Cross multiply
    92,854.23x = 128,138.83 × 50,412.77
  4. Step 4: Simplify right side
    92,854.23x = 6,459,833,364.86
  5. Step 5: Solve for x
    x = 6,459,833,364.86/92,854.23
  6. Step 6: Final answer
    x = 69,569.62

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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.