Home / 86,544.10-119,431.77-48,307.30

Finding the Fourth Proportional to 86,544.10, 119,431.77 and 48,307.30

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Solution

The fourth proportional to 86,544.10, 119,431.77 and 48,307.30 is: 66,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,544.10 : 119,431.77 = 48,307.30 : x
  2. Step 2: Convert to fraction form
    86,544.10/119,431.77 = 48,307.30/x
  3. Step 3: Cross multiply
    86,544.10x = 119,431.77 × 48,307.30
  4. Step 4: Simplify right side
    86,544.10x = 5,769,426,342.92
  5. Step 5: Solve for x
    x = 5,769,426,342.92/86,544.10
  6. Step 6: Final answer
    x = 66,664.58

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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.