Home / 124,720.52-187,075.08-45,828.95

Finding the Fourth Proportional to 124,720.52, 187,075.08 and 45,828.95

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Solution

The fourth proportional to 124,720.52, 187,075.08 and 45,828.95 is: 68,741.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,720.52 : 187,075.08 = 45,828.95 : x
  2. Step 2: Convert to fraction form
    124,720.52/187,075.08 = 45,828.95/x
  3. Step 3: Cross multiply
    124,720.52x = 187,075.08 × 45,828.95
  4. Step 4: Simplify right side
    124,720.52x = 8,573,453,552.19
  5. Step 5: Solve for x
    x = 8,573,453,552.19/124,720.52
  6. Step 6: Final answer
    x = 68,741.33

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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.