Home / 74,066.80-102,211.74-42,235.01

Finding the Fourth Proportional to 74,066.80, 102,211.74 and 42,235.01

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Solution

The fourth proportional to 74,066.80, 102,211.74 and 42,235.01 is: 58,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,066.80 : 102,211.74 = 42,235.01 : x
  2. Step 2: Convert to fraction form
    74,066.80/102,211.74 = 42,235.01/x
  3. Step 3: Cross multiply
    74,066.80x = 102,211.74 × 42,235.01
  4. Step 4: Simplify right side
    74,066.80x = 4,316,913,649.84
  5. Step 5: Solve for x
    x = 4,316,913,649.84/74,066.80
  6. Step 6: Final answer
    x = 58,284.06

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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.