Home / 86,841.55-119,864.91-51,043.06

Finding the Fourth Proportional to 86,841.55, 119,864.91 and 51,043.06

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Solution

The fourth proportional to 86,841.55, 119,864.91 and 51,043.06 is: 70,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,841.55 : 119,864.91 = 51,043.06 : x
  2. Step 2: Convert to fraction form
    86,841.55/119,864.91 = 51,043.06/x
  3. Step 3: Cross multiply
    86,841.55x = 119,864.91 × 51,043.06
  4. Step 4: Simplify right side
    86,841.55x = 6,118,271,793.02
  5. Step 5: Solve for x
    x = 6,118,271,793.02/86,841.55
  6. Step 6: Final answer
    x = 70,453.28

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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.