Home / 92,956.74-128,281.12-50,515.28

Finding the Fourth Proportional to 92,956.74, 128,281.12 and 50,515.28

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Solution

The fourth proportional to 92,956.74, 128,281.12 and 50,515.28 is: 69,711.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,956.74 : 128,281.12 = 50,515.28 : x
  2. Step 2: Convert to fraction form
    92,956.74/128,281.12 = 50,515.28/x
  3. Step 3: Cross multiply
    92,956.74x = 128,281.12 × 50,515.28
  4. Step 4: Simplify right side
    92,956.74x = 6,480,156,695.51
  5. Step 5: Solve for x
    x = 6,480,156,695.51/92,956.74
  6. Step 6: Final answer
    x = 69,711.53

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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.