Home / 65,017.08-89,720.46-36,726.84

Finding the Fourth Proportional to 65,017.08, 89,720.46 and 36,726.84

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Solution

The fourth proportional to 65,017.08, 89,720.46 and 36,726.84 is: 50,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,017.08 : 89,720.46 = 36,726.84 : x
  2. Step 2: Convert to fraction form
    65,017.08/89,720.46 = 36,726.84/x
  3. Step 3: Cross multiply
    65,017.08x = 89,720.46 × 36,726.84
  4. Step 4: Simplify right side
    65,017.08x = 3,295,148,979.15
  5. Step 5: Solve for x
    x = 3,295,148,979.15/65,017.08
  6. Step 6: Final answer
    x = 50,681.28

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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.