Home / 86,303.20-119,087.40-48,570.16

Finding the Fourth Proportional to 86,303.20, 119,087.40 and 48,570.16

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Solution

The fourth proportional to 86,303.20, 119,087.40 and 48,570.16 is: 67,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,303.20 : 119,087.40 = 48,570.16 : x
  2. Step 2: Convert to fraction form
    86,303.20/119,087.40 = 48,570.16/x
  3. Step 3: Cross multiply
    86,303.20x = 119,087.40 × 48,570.16
  4. Step 4: Simplify right side
    86,303.20x = 5,784,094,071.98
  5. Step 5: Solve for x
    x = 5,784,094,071.98/86,303.20
  6. Step 6: Final answer
    x = 67,020.62

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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.