Home / 86,499.04-119,301.51-54,656.32

Finding the Fourth Proportional to 86,499.04, 119,301.51 and 54,656.32

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Solution

The fourth proportional to 86,499.04, 119,301.51 and 54,656.32 is: 75,383.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,499.04 : 119,301.51 = 54,656.32 : x
  2. Step 2: Convert to fraction form
    86,499.04/119,301.51 = 54,656.32/x
  3. Step 3: Cross multiply
    86,499.04x = 119,301.51 × 54,656.32
  4. Step 4: Simplify right side
    86,499.04x = 6,520,581,507.04
  5. Step 5: Solve for x
    x = 6,520,581,507.04/86,499.04
  6. Step 6: Final answer
    x = 75,383.28

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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.