Home / 74,000.41-102,118.49-40,465.69

Finding the Fourth Proportional to 74,000.41, 102,118.49 and 40,465.69

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Solution

The fourth proportional to 74,000.41, 102,118.49 and 40,465.69 is: 55,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,000.41 : 102,118.49 = 40,465.69 : x
  2. Step 2: Convert to fraction form
    74,000.41/102,118.49 = 40,465.69/x
  3. Step 3: Cross multiply
    74,000.41x = 102,118.49 × 40,465.69
  4. Step 4: Simplify right side
    74,000.41x = 4,132,295,159.61
  5. Step 5: Solve for x
    x = 4,132,295,159.61/74,000.41
  6. Step 6: Final answer
    x = 55,841.52

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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.