Home / 65,826.54-90,848.88-50,707.08

Finding the Fourth Proportional to 65,826.54, 90,848.88 and 50,707.08

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Solution

The fourth proportional to 65,826.54, 90,848.88 and 50,707.08 is: 69,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,826.54 : 90,848.88 = 50,707.08 : x
  2. Step 2: Convert to fraction form
    65,826.54/90,848.88 = 50,707.08/x
  3. Step 3: Cross multiply
    65,826.54x = 90,848.88 × 50,707.08
  4. Step 4: Simplify right side
    65,826.54x = 4,606,681,426.07
  5. Step 5: Solve for x
    x = 4,606,681,426.07/65,826.54
  6. Step 6: Final answer
    x = 69,982.13

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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.