Home / 86,736.08-119,697.60-49,011.20

Finding the Fourth Proportional to 86,736.08, 119,697.60 and 49,011.20

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Solution

The fourth proportional to 86,736.08, 119,697.60 and 49,011.20 is: 67,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,736.08 : 119,697.60 = 49,011.20 : x
  2. Step 2: Convert to fraction form
    86,736.08/119,697.60 = 49,011.20/x
  3. Step 3: Cross multiply
    86,736.08x = 119,697.60 × 49,011.20
  4. Step 4: Simplify right side
    86,736.08x = 5,866,523,013.12
  5. Step 5: Solve for x
    x = 5,866,523,013.12/86,736.08
  6. Step 6: Final answer
    x = 67,636.48

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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.