Home / 93,579.09-140,308.79-55,618.23

Finding the Fourth Proportional to 93,579.09, 140,308.79 and 55,618.23

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Solution

The fourth proportional to 93,579.09, 140,308.79 and 55,618.23 is: 83,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,579.09 : 140,308.79 = 55,618.23 : x
  2. Step 2: Convert to fraction form
    93,579.09/140,308.79 = 55,618.23/x
  3. Step 3: Cross multiply
    93,579.09x = 140,308.79 × 55,618.23
  4. Step 4: Simplify right side
    93,579.09x = 7,803,727,319.22
  5. Step 5: Solve for x
    x = 7,803,727,319.22/93,579.09
  6. Step 6: Final answer
    x = 83,391.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.