Home / 86,973.74-120,024.21-49,255.34

Finding the Fourth Proportional to 86,973.74, 120,024.21 and 49,255.34

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Solution

The fourth proportional to 86,973.74, 120,024.21 and 49,255.34 is: 67,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,973.74 : 120,024.21 = 49,255.34 : x
  2. Step 2: Convert to fraction form
    86,973.74/120,024.21 = 49,255.34/x
  3. Step 3: Cross multiply
    86,973.74x = 120,024.21 × 49,255.34
  4. Step 4: Simplify right side
    86,973.74x = 5,911,833,271.78
  5. Step 5: Solve for x
    x = 5,911,833,271.78/86,973.74
  6. Step 6: Final answer
    x = 67,972.62

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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.