Home / 86,338.64-119,144.08-48,097.28

Finding the Fourth Proportional to 86,338.64, 119,144.08 and 48,097.28

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Solution

The fourth proportional to 86,338.64, 119,144.08 and 48,097.28 is: 66,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,338.64 : 119,144.08 = 48,097.28 : x
  2. Step 2: Convert to fraction form
    86,338.64/119,144.08 = 48,097.28/x
  3. Step 3: Cross multiply
    86,338.64x = 119,144.08 × 48,097.28
  4. Step 4: Simplify right side
    86,338.64x = 5,730,506,176.10
  5. Step 5: Solve for x
    x = 5,730,506,176.10/86,338.64
  6. Step 6: Final answer
    x = 66,372.44

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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.