Home / 124,985.07-187,477.61-31,498.11

Finding the Fourth Proportional to 124,985.07, 187,477.61 and 31,498.11

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Solution

The fourth proportional to 124,985.07, 187,477.61 and 31,498.11 is: 47,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,985.07 : 187,477.61 = 31,498.11 : x
  2. Step 2: Convert to fraction form
    124,985.07/187,477.61 = 31,498.11/x
  3. Step 3: Cross multiply
    124,985.07x = 187,477.61 × 31,498.11
  4. Step 4: Simplify right side
    124,985.07x = 5,905,190,224.83
  5. Step 5: Solve for x
    x = 5,905,190,224.83/124,985.07
  6. Step 6: Final answer
    x = 47,247.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.