Home / 84,888.69-117,148.91-49,075.53

Finding the Fourth Proportional to 84,888.69, 117,148.91 and 49,075.53

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Solution

The fourth proportional to 84,888.69, 117,148.91 and 49,075.53 is: 67,725.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,888.69 : 117,148.91 = 49,075.53 : x
  2. Step 2: Convert to fraction form
    84,888.69/117,148.91 = 49,075.53/x
  3. Step 3: Cross multiply
    84,888.69x = 117,148.91 × 49,075.53
  4. Step 4: Simplify right side
    84,888.69x = 5,749,144,847.17
  5. Step 5: Solve for x
    x = 5,749,144,847.17/84,888.69
  6. Step 6: Final answer
    x = 67,725.69

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1.5x scale

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.