Home / 74,055.61-102,196.32-40,064.00

Finding the Fourth Proportional to 74,055.61, 102,196.32 and 40,064.00

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Solution

The fourth proportional to 74,055.61, 102,196.32 and 40,064.00 is: 55,288.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,055.61 : 102,196.32 = 40,064.00 : x
  2. Step 2: Convert to fraction form
    74,055.61/102,196.32 = 40,064.00/x
  3. Step 3: Cross multiply
    74,055.61x = 102,196.32 × 40,064.00
  4. Step 4: Simplify right side
    74,055.61x = 4,094,392,653.18
  5. Step 5: Solve for x
    x = 4,094,392,653.18/74,055.61
  6. Step 6: Final answer
    x = 55,288.08

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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.