Home / 86,644.90-130,010.55-49,233.70

Finding the Fourth Proportional to 86,644.90, 130,010.55 and 49,233.70

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Solution

The fourth proportional to 86,644.90, 130,010.55 and 49,233.70 is: 73,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,644.90 : 130,010.55 = 49,233.70 : x
  2. Step 2: Convert to fraction form
    86,644.90/130,010.55 = 49,233.70/x
  3. Step 3: Cross multiply
    86,644.90x = 130,010.55 × 49,233.70
  4. Step 4: Simplify right side
    86,644.90x = 6,400,900,415.54
  5. Step 5: Solve for x
    x = 6,400,900,415.54/86,644.90
  6. Step 6: Final answer
    x = 73,875.10

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1.5x scale

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.