Home / 93,583.22-129,144.51-51,141.78

Finding the Fourth Proportional to 93,583.22, 129,144.51 and 51,141.78

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Solution

The fourth proportional to 93,583.22, 129,144.51 and 51,141.78 is: 70,575.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,583.22 : 129,144.51 = 51,141.78 : x
  2. Step 2: Convert to fraction form
    93,583.22/129,144.51 = 51,141.78/x
  3. Step 3: Cross multiply
    93,583.22x = 129,144.51 × 51,141.78
  4. Step 4: Simplify right side
    93,583.22x = 6,604,680,118.63
  5. Step 5: Solve for x
    x = 6,604,680,118.63/93,583.22
  6. Step 6: Final answer
    x = 70,575.48

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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.