Home / 86,733.32-119,712-56,465.96

Finding the Fourth Proportional to 86,733.32, 119,712 and 56,465.96

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Solution

The fourth proportional to 86,733.32, 119,712 and 56,465.96 is: 77,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,733.32 : 119,712 = 56,465.96 : x
  2. Step 2: Convert to fraction form
    86,733.32/119,712 = 56,465.96/x
  3. Step 3: Cross multiply
    86,733.32x = 119,712 × 56,465.96
  4. Step 4: Simplify right side
    86,733.32x = 6,759,653,003.52
  5. Step 5: Solve for x
    x = 6,759,653,003.52/86,733.32
  6. Step 6: Final answer
    x = 77,936.06

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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.