Home / 86,267.07-129,400.59-27,107.91

Finding the Fourth Proportional to 86,267.07, 129,400.59 and 27,107.91

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Solution

The fourth proportional to 86,267.07, 129,400.59 and 27,107.91 is: 40,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,267.07 : 129,400.59 = 27,107.91 : x
  2. Step 2: Convert to fraction form
    86,267.07/129,400.59 = 27,107.91/x
  3. Step 3: Cross multiply
    86,267.07x = 129,400.59 × 27,107.91
  4. Step 4: Simplify right side
    86,267.07x = 3,507,779,547.67
  5. Step 5: Solve for x
    x = 3,507,779,547.67/86,267.07
  6. Step 6: Final answer
    x = 40,661.86

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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.