Home / 86,653.06-119,579.70-48,410.13

Finding the Fourth Proportional to 86,653.06, 119,579.70 and 48,410.13

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Solution

The fourth proportional to 86,653.06, 119,579.70 and 48,410.13 is: 66,805.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,653.06 : 119,579.70 = 48,410.13 : x
  2. Step 2: Convert to fraction form
    86,653.06/119,579.70 = 48,410.13/x
  3. Step 3: Cross multiply
    86,653.06x = 119,579.70 × 48,410.13
  4. Step 4: Simplify right side
    86,653.06x = 5,788,868,822.36
  5. Step 5: Solve for x
    x = 5,788,868,822.36/86,653.06
  6. Step 6: Final answer
    x = 66,805.13

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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.