Home / 65,782.16-90,779.19-35,567.27

Finding the Fourth Proportional to 65,782.16, 90,779.19 and 35,567.27

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Solution

The fourth proportional to 65,782.16, 90,779.19 and 35,567.27 is: 49,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,782.16 : 90,779.19 = 35,567.27 : x
  2. Step 2: Convert to fraction form
    65,782.16/90,779.19 = 35,567.27/x
  3. Step 3: Cross multiply
    65,782.16x = 90,779.19 × 35,567.27
  4. Step 4: Simplify right side
    65,782.16x = 3,228,767,961.11
  5. Step 5: Solve for x
    x = 3,228,767,961.11/65,782.16
  6. Step 6: Final answer
    x = 49,082.73

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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.