Home / 74,405.16-102,650.04-42,557.04

Finding the Fourth Proportional to 74,405.16, 102,650.04 and 42,557.04

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Solution

The fourth proportional to 74,405.16, 102,650.04 and 42,557.04 is: 58,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,405.16 : 102,650.04 = 42,557.04 : x
  2. Step 2: Convert to fraction form
    74,405.16/102,650.04 = 42,557.04/x
  3. Step 3: Cross multiply
    74,405.16x = 102,650.04 × 42,557.04
  4. Step 4: Simplify right side
    74,405.16x = 4,368,481,858.28
  5. Step 5: Solve for x
    x = 4,368,481,858.28/74,405.16
  6. Step 6: Final answer
    x = 58,712.08

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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.