Home / 86,973.24-120,023.52-49,254.84

Finding the Fourth Proportional to 86,973.24, 120,023.52 and 49,254.84

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Solution

The fourth proportional to 86,973.24, 120,023.52 and 49,254.84 is: 67,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,973.24 : 120,023.52 = 49,254.84 : x
  2. Step 2: Convert to fraction form
    86,973.24/120,023.52 = 49,254.84/x
  3. Step 3: Cross multiply
    86,973.24x = 120,023.52 × 49,254.84
  4. Step 4: Simplify right side
    86,973.24x = 5,911,739,273.84
  5. Step 5: Solve for x
    x = 5,911,739,273.84/86,973.24
  6. Step 6: Final answer
    x = 67,971.93

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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.