Home / 74,424.02-111,639.67-30,045.23

Finding the Fourth Proportional to 74,424.02, 111,639.67 and 30,045.23

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Solution

The fourth proportional to 74,424.02, 111,639.67 and 30,045.23 is: 45,069.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,424.02 : 111,639.67 = 30,045.23 : x
  2. Step 2: Convert to fraction form
    74,424.02/111,639.67 = 30,045.23/x
  3. Step 3: Cross multiply
    74,424.02x = 111,639.67 × 30,045.23
  4. Step 4: Simplify right side
    74,424.02x = 3,354,239,347.61
  5. Step 5: Solve for x
    x = 3,354,239,347.61/74,424.02
  6. Step 6: Final answer
    x = 45,069.31

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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.