Home / 112,063.64-154,643.87-61,075.36

Finding the Fourth Proportional to 112,063.64, 154,643.87 and 61,075.36

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Solution

The fourth proportional to 112,063.64, 154,643.87 and 61,075.36 is: 84,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,063.64 : 154,643.87 = 61,075.36 : x
  2. Step 2: Convert to fraction form
    112,063.64/154,643.87 = 61,075.36/x
  3. Step 3: Cross multiply
    112,063.64x = 154,643.87 × 61,075.36
  4. Step 4: Simplify right side
    112,063.64x = 9,444,929,340.06
  5. Step 5: Solve for x
    x = 9,444,929,340.06/112,063.64
  6. Step 6: Final answer
    x = 84,281.83

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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.