Home / 75,867.92-104,700.36-42,340.24

Finding the Fourth Proportional to 75,867.92, 104,700.36 and 42,340.24

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Solution

The fourth proportional to 75,867.92, 104,700.36 and 42,340.24 is: 58,431.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,867.92 : 104,700.36 = 42,340.24 : x
  2. Step 2: Convert to fraction form
    75,867.92/104,700.36 = 42,340.24/x
  3. Step 3: Cross multiply
    75,867.92x = 104,700.36 × 42,340.24
  4. Step 4: Simplify right side
    75,867.92x = 4,433,038,370.49
  5. Step 5: Solve for x
    x = 4,433,038,370.49/75,867.92
  6. Step 6: Final answer
    x = 58,431.00

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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.