Home / 78,075.68-107,742.02-44,083.62

Finding the Fourth Proportional to 78,075.68, 107,742.02 and 44,083.62

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Solution

The fourth proportional to 78,075.68, 107,742.02 and 44,083.62 is: 60,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,075.68 : 107,742.02 = 44,083.62 : x
  2. Step 2: Convert to fraction form
    78,075.68/107,742.02 = 44,083.62/x
  3. Step 3: Cross multiply
    78,075.68x = 107,742.02 × 44,083.62
  4. Step 4: Simplify right side
    78,075.68x = 4,749,658,047.29
  5. Step 5: Solve for x
    x = 4,749,658,047.29/78,075.68
  6. Step 6: Final answer
    x = 60,834.03

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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.