Home / 86,444.79-119,348.28-66,263.64

Finding the Fourth Proportional to 86,444.79, 119,348.28 and 66,263.64

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Solution

The fourth proportional to 86,444.79, 119,348.28 and 66,263.64 is: 91,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,444.79 : 119,348.28 = 66,263.64 : x
  2. Step 2: Convert to fraction form
    86,444.79/119,348.28 = 66,263.64/x
  3. Step 3: Cross multiply
    86,444.79x = 119,348.28 × 66,263.64
  4. Step 4: Simplify right side
    86,444.79x = 7,908,451,460.54
  5. Step 5: Solve for x
    x = 7,908,451,460.54/86,444.79
  6. Step 6: Final answer
    x = 91,485.58

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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.