Home / 75,606.08-104,340.48-42,072.80

Finding the Fourth Proportional to 75,606.08, 104,340.48 and 42,072.80

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Solution

The fourth proportional to 75,606.08, 104,340.48 and 42,072.80 is: 58,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,606.08 : 104,340.48 = 42,072.80 : x
  2. Step 2: Convert to fraction form
    75,606.08/104,340.48 = 42,072.80/x
  3. Step 3: Cross multiply
    75,606.08x = 104,340.48 × 42,072.80
  4. Step 4: Simplify right side
    75,606.08x = 4,389,896,146.94
  5. Step 5: Solve for x
    x = 4,389,896,146.94/75,606.08
  6. Step 6: Final answer
    x = 58,062.74

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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.