Home / 92,959.38-128,284.20-50,518.08

Finding the Fourth Proportional to 92,959.38, 128,284.20 and 50,518.08

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Solution

The fourth proportional to 92,959.38, 128,284.20 and 50,518.08 is: 69,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,959.38 : 128,284.20 = 50,518.08 : x
  2. Step 2: Convert to fraction form
    92,959.38/128,284.20 = 50,518.08/x
  3. Step 3: Cross multiply
    92,959.38x = 128,284.20 × 50,518.08
  4. Step 4: Simplify right side
    92,959.38x = 6,480,671,478.34
  5. Step 5: Solve for x
    x = 6,480,671,478.34/92,959.38
  6. Step 6: Final answer
    x = 69,715.09

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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.