Home / 86,585.00-129,779.09-36,633.92

Finding the Fourth Proportional to 86,585.00, 129,779.09 and 36,633.92

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Solution

The fourth proportional to 86,585.00, 129,779.09 and 36,633.92 is: 54,909.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,585.00 : 129,779.09 = 36,633.92 : x
  2. Step 2: Convert to fraction form
    86,585.00/129,779.09 = 36,633.92/x
  3. Step 3: Cross multiply
    86,585.00x = 129,779.09 × 36,633.92
  4. Step 4: Simplify right side
    86,585.00x = 4,754,316,733.02
  5. Step 5: Solve for x
    x = 4,754,316,733.02/86,585.00
  6. Step 6: Final answer
    x = 54,909.24

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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.