Home / 74,704.02-103,088.93-40,711.81

Finding the Fourth Proportional to 74,704.02, 103,088.93 and 40,711.81

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Solution

The fourth proportional to 74,704.02, 103,088.93 and 40,711.81 is: 56,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,704.02 : 103,088.93 = 40,711.81 : x
  2. Step 2: Convert to fraction form
    74,704.02/103,088.93 = 40,711.81/x
  3. Step 3: Cross multiply
    74,704.02x = 103,088.93 × 40,711.81
  4. Step 4: Simplify right side
    74,704.02x = 4,196,936,931.26
  5. Step 5: Solve for x
    x = 4,196,936,931.26/74,704.02
  6. Step 6: Final answer
    x = 56,180.87

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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.