Home / 86,622.45-119,547.41-52,623.51

Finding the Fourth Proportional to 86,622.45, 119,547.41 and 52,623.51

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Solution

The fourth proportional to 86,622.45, 119,547.41 and 52,623.51 is: 72,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,622.45 : 119,547.41 = 52,623.51 : x
  2. Step 2: Convert to fraction form
    86,622.45/119,547.41 = 52,623.51/x
  3. Step 3: Cross multiply
    86,622.45x = 119,547.41 × 52,623.51
  4. Step 4: Simplify right side
    86,622.45x = 6,291,004,062.49
  5. Step 5: Solve for x
    x = 6,291,004,062.49/86,622.45
  6. Step 6: Final answer
    x = 72,625.56

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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.