Home / 74,414.61-102,619.85-56,510.37

Finding the Fourth Proportional to 74,414.61, 102,619.85 and 56,510.37

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Solution

The fourth proportional to 74,414.61, 102,619.85 and 56,510.37 is: 77,929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,414.61 : 102,619.85 = 56,510.37 : x
  2. Step 2: Convert to fraction form
    74,414.61/102,619.85 = 56,510.37/x
  3. Step 3: Cross multiply
    74,414.61x = 102,619.85 × 56,510.37
  4. Step 4: Simplify right side
    74,414.61x = 5,799,085,410.29
  5. Step 5: Solve for x
    x = 5,799,085,410.29/74,414.61
  6. Step 6: Final answer
    x = 77,929.39

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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.