Home / 86,504.94-119,302.28-56,279.26

Finding the Fourth Proportional to 86,504.94, 119,302.28 and 56,279.26

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Solution

The fourth proportional to 86,504.94, 119,302.28 and 56,279.26 is: 77,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,504.94 : 119,302.28 = 56,279.26 : x
  2. Step 2: Convert to fraction form
    86,504.94/119,302.28 = 56,279.26/x
  3. Step 3: Cross multiply
    86,504.94x = 119,302.28 × 56,279.26
  4. Step 4: Simplify right side
    86,504.94x = 6,714,244,034.71
  5. Step 5: Solve for x
    x = 6,714,244,034.71/86,504.94
  6. Step 6: Final answer
    x = 77,616.89

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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.