Home / 74,718.50-103,111.53-41,185.22

Finding the Fourth Proportional to 74,718.50, 103,111.53 and 41,185.22

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Solution

The fourth proportional to 74,718.50, 103,111.53 and 41,185.22 is: 56,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,718.50 : 103,111.53 = 41,185.22 : x
  2. Step 2: Convert to fraction form
    74,718.50/103,111.53 = 41,185.22/x
  3. Step 3: Cross multiply
    74,718.50x = 103,111.53 × 41,185.22
  4. Step 4: Simplify right side
    74,718.50x = 4,246,671,047.59
  5. Step 5: Solve for x
    x = 4,246,671,047.59/74,718.50
  6. Step 6: Final answer
    x = 56,835.60

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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.