Home / 75,373.65-104,017.28-43,111.25

Finding the Fourth Proportional to 75,373.65, 104,017.28 and 43,111.25

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Solution

The fourth proportional to 75,373.65, 104,017.28 and 43,111.25 is: 59,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,373.65 : 104,017.28 = 43,111.25 : x
  2. Step 2: Convert to fraction form
    75,373.65/104,017.28 = 43,111.25/x
  3. Step 3: Cross multiply
    75,373.65x = 104,017.28 × 43,111.25
  4. Step 4: Simplify right side
    75,373.65x = 4,484,314,746.84
  5. Step 5: Solve for x
    x = 4,484,314,746.84/75,373.65
  6. Step 6: Final answer
    x = 59,494.46

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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.