Home / 104,440.21-144,075.07-70,405.63

Finding the Fourth Proportional to 104,440.21, 144,075.07 and 70,405.63

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Solution

The fourth proportional to 104,440.21, 144,075.07 and 70,405.63 is: 97,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,440.21 : 144,075.07 = 70,405.63 : x
  2. Step 2: Convert to fraction form
    104,440.21/144,075.07 = 70,405.63/x
  3. Step 3: Cross multiply
    104,440.21x = 144,075.07 × 70,405.63
  4. Step 4: Simplify right side
    104,440.21x = 10,143,695,798.46
  5. Step 5: Solve for x
    x = 10,143,695,798.46/104,440.21
  6. Step 6: Final answer
    x = 97,124.43

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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.