Home / 112,225.78-154,870.68-61,237.36

Finding the Fourth Proportional to 112,225.78, 154,870.68 and 61,237.36

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Solution

The fourth proportional to 112,225.78, 154,870.68 and 61,237.36 is: 84,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,225.78 : 154,870.68 = 61,237.36 : x
  2. Step 2: Convert to fraction form
    112,225.78/154,870.68 = 61,237.36/x
  3. Step 3: Cross multiply
    112,225.78x = 154,870.68 × 61,237.36
  4. Step 4: Simplify right side
    112,225.78x = 9,483,871,584.60
  5. Step 5: Solve for x
    x = 9,483,871,584.60/112,225.78
  6. Step 6: Final answer
    x = 84,507.07

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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.