Home / 93,976.02-129,561.43-74,659.01

Finding the Fourth Proportional to 93,976.02, 129,561.43 and 74,659.01

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Solution

The fourth proportional to 93,976.02, 129,561.43 and 74,659.01 is: 102,929.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,976.02 : 129,561.43 = 74,659.01 : x
  2. Step 2: Convert to fraction form
    93,976.02/129,561.43 = 74,659.01/x
  3. Step 3: Cross multiply
    93,976.02x = 129,561.43 × 74,659.01
  4. Step 4: Simplify right side
    93,976.02x = 9,672,928,097.98
  5. Step 5: Solve for x
    x = 9,672,928,097.98/93,976.02
  6. Step 6: Final answer
    x = 102,929.75

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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.