Home / 75,678.83-104,436.77-43,866.18

Finding the Fourth Proportional to 75,678.83, 104,436.77 and 43,866.18

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Solution

The fourth proportional to 75,678.83, 104,436.77 and 43,866.18 is: 60,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,678.83 : 104,436.77 = 43,866.18 : x
  2. Step 2: Convert to fraction form
    75,678.83/104,436.77 = 43,866.18/x
  3. Step 3: Cross multiply
    75,678.83x = 104,436.77 × 43,866.18
  4. Step 4: Simplify right side
    75,678.83x = 4,581,242,261.10
  5. Step 5: Solve for x
    x = 4,581,242,261.10/75,678.83
  6. Step 6: Final answer
    x = 60,535.32

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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.