Home / 86,950.38-119,973.06-51,127.32

Finding the Fourth Proportional to 86,950.38, 119,973.06 and 51,127.32

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Solution

The fourth proportional to 86,950.38, 119,973.06 and 51,127.32 is: 70,544.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,950.38 : 119,973.06 = 51,127.32 : x
  2. Step 2: Convert to fraction form
    86,950.38/119,973.06 = 51,127.32/x
  3. Step 3: Cross multiply
    86,950.38x = 119,973.06 × 51,127.32
  4. Step 4: Simplify right side
    86,950.38x = 6,133,901,030.00
  5. Step 5: Solve for x
    x = 6,133,901,030.00/86,950.38
  6. Step 6: Final answer
    x = 70,544.84

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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.