Home / 86,646.51-119,580.17-52,647.12

Finding the Fourth Proportional to 86,646.51, 119,580.17 and 52,647.12

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Solution

The fourth proportional to 86,646.51, 119,580.17 and 52,647.12 is: 72,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,646.51 : 119,580.17 = 52,647.12 : x
  2. Step 2: Convert to fraction form
    86,646.51/119,580.17 = 52,647.12/x
  3. Step 3: Cross multiply
    86,646.51x = 119,580.17 × 52,647.12
  4. Step 4: Simplify right side
    86,646.51x = 6,295,551,296.37
  5. Step 5: Solve for x
    x = 6,295,551,296.37/86,646.51
  6. Step 6: Final answer
    x = 72,657.88

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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.