Home / 92,818.36-128,089.43-50,376.91

Finding the Fourth Proportional to 92,818.36, 128,089.43 and 50,376.91

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Solution

The fourth proportional to 92,818.36, 128,089.43 and 50,376.91 is: 69,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,818.36 : 128,089.43 = 50,376.91 : x
  2. Step 2: Convert to fraction form
    92,818.36/128,089.43 = 50,376.91/x
  3. Step 3: Cross multiply
    92,818.36x = 128,089.43 × 50,376.91
  4. Step 4: Simplify right side
    92,818.36x = 6,452,749,687.06
  5. Step 5: Solve for x
    x = 6,452,749,687.06/92,818.36
  6. Step 6: Final answer
    x = 69,520.19

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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.