Home / 86,531.24-119,467.17-66,349.35

Finding the Fourth Proportional to 86,531.24, 119,467.17 and 66,349.35

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Solution

The fourth proportional to 86,531.24, 119,467.17 and 66,349.35 is: 91,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,531.24 : 119,467.17 = 66,349.35 : x
  2. Step 2: Convert to fraction form
    86,531.24/119,467.17 = 66,349.35/x
  3. Step 3: Cross multiply
    86,531.24x = 119,467.17 × 66,349.35
  4. Step 4: Simplify right side
    86,531.24x = 7,926,569,075.84
  5. Step 5: Solve for x
    x = 7,926,569,075.84/86,531.24
  6. Step 6: Final answer
    x = 91,603.55

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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.