Home / 112,075.26-168,112.89-64,762.62

Finding the Fourth Proportional to 112,075.26, 168,112.89 and 64,762.62

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Solution

The fourth proportional to 112,075.26, 168,112.89 and 64,762.62 is: 97,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,075.26 : 168,112.89 = 64,762.62 : x
  2. Step 2: Convert to fraction form
    112,075.26/168,112.89 = 64,762.62/x
  3. Step 3: Cross multiply
    112,075.26x = 168,112.89 × 64,762.62
  4. Step 4: Simplify right side
    112,075.26x = 10,887,431,212.17
  5. Step 5: Solve for x
    x = 10,887,431,212.17/112,075.26
  6. Step 6: Final answer
    x = 97,143.93

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1.5x scale

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.