Home / 86,510.26-119,384.18-48,784.51

Finding the Fourth Proportional to 86,510.26, 119,384.18 and 48,784.51

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Solution

The fourth proportional to 86,510.26, 119,384.18 and 48,784.51 is: 67,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,510.26 : 119,384.18 = 48,784.51 : x
  2. Step 2: Convert to fraction form
    86,510.26/119,384.18 = 48,784.51/x
  3. Step 3: Cross multiply
    86,510.26x = 119,384.18 × 48,784.51
  4. Step 4: Simplify right side
    86,510.26x = 5,824,098,723.05
  5. Step 5: Solve for x
    x = 5,824,098,723.05/86,510.26
  6. Step 6: Final answer
    x = 67,322.64

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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.