Home / 75,478.02-113,069.40-62,170.12

Finding the Fourth Proportional to 75,478.02, 113,069.40 and 62,170.12

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Solution

The fourth proportional to 75,478.02, 113,069.40 and 62,170.12 is: 93,133.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,478.02 : 113,069.40 = 62,170.12 : x
  2. Step 2: Convert to fraction form
    75,478.02/113,069.40 = 62,170.12/x
  3. Step 3: Cross multiply
    75,478.02x = 113,069.40 × 62,170.12
  4. Step 4: Simplify right side
    75,478.02x = 7,029,538,166.33
  5. Step 5: Solve for x
    x = 7,029,538,166.33/75,478.02
  6. Step 6: Final answer
    x = 93,133.58

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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.