Home / 111,623.75-154,041.98-60,637.08

Finding the Fourth Proportional to 111,623.75, 154,041.98 and 60,637.08

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Solution

The fourth proportional to 111,623.75, 154,041.98 and 60,637.08 is: 83,679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,623.75 : 154,041.98 = 60,637.08 : x
  2. Step 2: Convert to fraction form
    111,623.75/154,041.98 = 60,637.08/x
  3. Step 3: Cross multiply
    111,623.75x = 154,041.98 × 60,637.08
  4. Step 4: Simplify right side
    111,623.75x = 9,340,655,864.62
  5. Step 5: Solve for x
    x = 9,340,655,864.62/111,623.75
  6. Step 6: Final answer
    x = 83,679.82

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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.