Home / 93,618.38-129,192.54-51,176.78

Finding the Fourth Proportional to 93,618.38, 129,192.54 and 51,176.78

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Solution

The fourth proportional to 93,618.38, 129,192.54 and 51,176.78 is: 70,623.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,618.38 : 129,192.54 = 51,176.78 : x
  2. Step 2: Convert to fraction form
    93,618.38/129,192.54 = 51,176.78/x
  3. Step 3: Cross multiply
    93,618.38x = 129,192.54 × 51,176.78
  4. Step 4: Simplify right side
    93,618.38x = 6,611,658,197.22
  5. Step 5: Solve for x
    x = 6,611,658,197.22/93,618.38
  6. Step 6: Final answer
    x = 70,623.51

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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.