Home / 86,214.72-118,992.69-53,964.30

Finding the Fourth Proportional to 86,214.72, 118,992.69 and 53,964.30

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Solution

The fourth proportional to 86,214.72, 118,992.69 and 53,964.30 is: 74,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,214.72 : 118,992.69 = 53,964.30 : x
  2. Step 2: Convert to fraction form
    86,214.72/118,992.69 = 53,964.30/x
  3. Step 3: Cross multiply
    86,214.72x = 118,992.69 × 53,964.30
  4. Step 4: Simplify right side
    86,214.72x = 6,421,357,220.97
  5. Step 5: Solve for x
    x = 6,421,357,220.97/86,214.72
  6. Step 6: Final answer
    x = 74,480.98

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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.