Home / 74,417.94-102,698.37-40,886.10

Finding the Fourth Proportional to 74,417.94, 102,698.37 and 40,886.10

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Solution

The fourth proportional to 74,417.94, 102,698.37 and 40,886.10 is: 56,423.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,417.94 : 102,698.37 = 40,886.10 : x
  2. Step 2: Convert to fraction form
    74,417.94/102,698.37 = 40,886.10/x
  3. Step 3: Cross multiply
    74,417.94x = 102,698.37 × 40,886.10
  4. Step 4: Simplify right side
    74,417.94x = 4,198,935,825.66
  5. Step 5: Solve for x
    x = 4,198,935,825.66/74,417.94
  6. Step 6: Final answer
    x = 56,423.70

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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.