Home / 110,515.61-152,445.07-67,475.45

Finding the Fourth Proportional to 110,515.61, 152,445.07 and 67,475.45

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Solution

The fourth proportional to 110,515.61, 152,445.07 and 67,475.45 is: 93,075.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,515.61 : 152,445.07 = 67,475.45 : x
  2. Step 2: Convert to fraction form
    110,515.61/152,445.07 = 67,475.45/x
  3. Step 3: Cross multiply
    110,515.61x = 152,445.07 × 67,475.45
  4. Step 4: Simplify right side
    110,515.61x = 10,286,299,361.15
  5. Step 5: Solve for x
    x = 10,286,299,361.15/110,515.61
  6. Step 6: Final answer
    x = 93,075.53

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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.