Home / 111,943.60-167,915.40-37,075.30

Finding the Fourth Proportional to 111,943.60, 167,915.40 and 37,075.30

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Solution

The fourth proportional to 111,943.60, 167,915.40 and 37,075.30 is: 55,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,943.60 : 167,915.40 = 37,075.30 : x
  2. Step 2: Convert to fraction form
    111,943.60/167,915.40 = 37,075.30/x
  3. Step 3: Cross multiply
    111,943.60x = 167,915.40 × 37,075.30
  4. Step 4: Simplify right side
    111,943.60x = 6,225,513,829.62
  5. Step 5: Solve for x
    x = 6,225,513,829.62/111,943.60
  6. Step 6: Final answer
    x = 55,612.95

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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.