Home / 86,665.04-119,598.40-48,939.60

Finding the Fourth Proportional to 86,665.04, 119,598.40 and 48,939.60

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Solution

The fourth proportional to 86,665.04, 119,598.40 and 48,939.60 is: 67,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,665.04 : 119,598.40 = 48,939.60 : x
  2. Step 2: Convert to fraction form
    86,665.04/119,598.40 = 48,939.60/x
  3. Step 3: Cross multiply
    86,665.04x = 119,598.40 × 48,939.60
  4. Step 4: Simplify right side
    86,665.04x = 5,853,097,856.64
  5. Step 5: Solve for x
    x = 5,853,097,856.64/86,665.04
  6. Step 6: Final answer
    x = 67,537.01

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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.