Home / 124,994-187,510.55-40,734.61

Finding the Fourth Proportional to 124,994, 187,510.55 and 40,734.61

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Solution

The fourth proportional to 124,994, 187,510.55 and 40,734.61 is: 61,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,994 : 187,510.55 = 40,734.61 : x
  2. Step 2: Convert to fraction form
    124,994/187,510.55 = 40,734.61/x
  3. Step 3: Cross multiply
    124,994x = 187,510.55 × 40,734.61
  4. Step 4: Simplify right side
    124,994x = 7,638,169,125.14
  5. Step 5: Solve for x
    x = 7,638,169,125.14/124,994
  6. Step 6: Final answer
    x = 61,108.29

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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.