Home / 92,956.67-128,281.02-50,515.20

Finding the Fourth Proportional to 92,956.67, 128,281.02 and 50,515.20

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Solution

The fourth proportional to 92,956.67, 128,281.02 and 50,515.20 is: 69,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,956.67 : 128,281.02 = 50,515.20 : x
  2. Step 2: Convert to fraction form
    92,956.67/128,281.02 = 50,515.20/x
  3. Step 3: Cross multiply
    92,956.67x = 128,281.02 × 50,515.20
  4. Step 4: Simplify right side
    92,956.67x = 6,480,141,192.07
  5. Step 5: Solve for x
    x = 6,480,141,192.07/92,956.67
  6. Step 6: Final answer
    x = 69,711.42

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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.