Home / 74,915.86-103,384.04-40,924.60

Finding the Fourth Proportional to 74,915.86, 103,384.04 and 40,924.60

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Solution

The fourth proportional to 74,915.86, 103,384.04 and 40,924.60 is: 56,476.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,915.86 : 103,384.04 = 40,924.60 : x
  2. Step 2: Convert to fraction form
    74,915.86/103,384.04 = 40,924.60/x
  3. Step 3: Cross multiply
    74,915.86x = 103,384.04 × 40,924.60
  4. Step 4: Simplify right side
    74,915.86x = 4,230,950,483.38
  5. Step 5: Solve for x
    x = 4,230,950,483.38/74,915.86
  6. Step 6: Final answer
    x = 56,476.03

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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.