Home / 65,746.08-98,589.96-40,785.12

Finding the Fourth Proportional to 65,746.08, 98,589.96 and 40,785.12

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Solution

The fourth proportional to 65,746.08, 98,589.96 and 40,785.12 is: 61,159.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,746.08 : 98,589.96 = 40,785.12 : x
  2. Step 2: Convert to fraction form
    65,746.08/98,589.96 = 40,785.12/x
  3. Step 3: Cross multiply
    65,746.08x = 98,589.96 × 40,785.12
  4. Step 4: Simplify right side
    65,746.08x = 4,021,003,349.40
  5. Step 5: Solve for x
    x = 4,021,003,349.40/65,746.08
  6. Step 6: Final answer
    x = 61,159.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.