Home / 107,969.04-148,990.86-62,643.51

Finding the Fourth Proportional to 107,969.04, 148,990.86 and 62,643.51

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Solution

The fourth proportional to 107,969.04, 148,990.86 and 62,643.51 is: 86,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,969.04 : 148,990.86 = 62,643.51 : x
  2. Step 2: Convert to fraction form
    107,969.04/148,990.86 = 62,643.51/x
  3. Step 3: Cross multiply
    107,969.04x = 148,990.86 × 62,643.51
  4. Step 4: Simplify right side
    107,969.04x = 9,333,310,428.32
  5. Step 5: Solve for x
    x = 9,333,310,428.32/107,969.04
  6. Step 6: Final answer
    x = 86,444.32

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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.