Home / 86,815.60-130,223.40-37,663.60

Finding the Fourth Proportional to 86,815.60, 130,223.40 and 37,663.60

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Solution

The fourth proportional to 86,815.60, 130,223.40 and 37,663.60 is: 56,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,815.60 : 130,223.40 = 37,663.60 : x
  2. Step 2: Convert to fraction form
    86,815.60/130,223.40 = 37,663.60/x
  3. Step 3: Cross multiply
    86,815.60x = 130,223.40 × 37,663.60
  4. Step 4: Simplify right side
    86,815.60x = 4,904,682,048.24
  5. Step 5: Solve for x
    x = 4,904,682,048.24/86,815.60
  6. Step 6: Final answer
    x = 56,495.40

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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.