Home / 93,920.21-129,623.16-58,121.75

Finding the Fourth Proportional to 93,920.21, 129,623.16 and 58,121.75

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Solution

The fourth proportional to 93,920.21, 129,623.16 and 58,121.75 is: 80,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,920.21 : 129,623.16 = 58,121.75 : x
  2. Step 2: Convert to fraction form
    93,920.21/129,623.16 = 58,121.75/x
  3. Step 3: Cross multiply
    93,920.21x = 129,623.16 × 58,121.75
  4. Step 4: Simplify right side
    93,920.21x = 7,533,924,251.61
  5. Step 5: Solve for x
    x = 7,533,924,251.61/93,920.21
  6. Step 6: Final answer
    x = 80,216.22

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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.