Home / 86,742.41-130,024.98-49,223.25

Finding the Fourth Proportional to 86,742.41, 130,024.98 and 49,223.25

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Solution

The fourth proportional to 86,742.41, 130,024.98 and 49,223.25 is: 73,784.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,742.41 : 130,024.98 = 49,223.25 : x
  2. Step 2: Convert to fraction form
    86,742.41/130,024.98 = 49,223.25/x
  3. Step 3: Cross multiply
    86,742.41x = 130,024.98 × 49,223.25
  4. Step 4: Simplify right side
    86,742.41x = 6,400,252,096.79
  5. Step 5: Solve for x
    x = 6,400,252,096.79/86,742.41
  6. Step 6: Final answer
    x = 73,784.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.