Home / 86,529.81-119,411.24-48,804.06

Finding the Fourth Proportional to 86,529.81, 119,411.24 and 48,804.06

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Solution

The fourth proportional to 86,529.81, 119,411.24 and 48,804.06 is: 67,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,529.81 : 119,411.24 = 48,804.06 : x
  2. Step 2: Convert to fraction form
    86,529.81/119,411.24 = 48,804.06/x
  3. Step 3: Cross multiply
    86,529.81x = 119,411.24 × 48,804.06
  4. Step 4: Simplify right side
    86,529.81x = 5,827,753,077.61
  5. Step 5: Solve for x
    x = 5,827,753,077.61/86,529.81
  6. Step 6: Final answer
    x = 67,349.66

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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.