Home / 93,274.35-128,739.38-59,276.21

Finding the Fourth Proportional to 93,274.35, 128,739.38 and 59,276.21

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Solution

The fourth proportional to 93,274.35, 128,739.38 and 59,276.21 is: 81,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,274.35 : 128,739.38 = 59,276.21 : x
  2. Step 2: Convert to fraction form
    93,274.35/128,739.38 = 59,276.21/x
  3. Step 3: Cross multiply
    93,274.35x = 128,739.38 × 59,276.21
  4. Step 4: Simplify right side
    93,274.35x = 7,631,181,584.07
  5. Step 5: Solve for x
    x = 7,631,181,584.07/93,274.35
  6. Step 6: Final answer
    x = 81,814.37

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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.