Home / 93,387.08-128,873.57-53,100.83

Finding the Fourth Proportional to 93,387.08, 128,873.57 and 53,100.83

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Solution

The fourth proportional to 93,387.08, 128,873.57 and 53,100.83 is: 73,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,387.08 : 128,873.57 = 53,100.83 : x
  2. Step 2: Convert to fraction form
    93,387.08/128,873.57 = 53,100.83/x
  3. Step 3: Cross multiply
    93,387.08x = 128,873.57 × 53,100.83
  4. Step 4: Simplify right side
    93,387.08x = 6,843,293,266.56
  5. Step 5: Solve for x
    x = 6,843,293,266.56/93,387.08
  6. Step 6: Final answer
    x = 73,278.80

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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.