Home / 61,109.32-84,173.12-43,173.19

Finding the Fourth Proportional to 61,109.32, 84,173.12 and 43,173.19

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Solution

The fourth proportional to 61,109.32, 84,173.12 and 43,173.19 is: 59,467.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,109.32 : 84,173.12 = 43,173.19 : x
  2. Step 2: Convert to fraction form
    61,109.32/84,173.12 = 43,173.19/x
  3. Step 3: Cross multiply
    61,109.32x = 84,173.12 × 43,173.19
  4. Step 4: Simplify right side
    61,109.32x = 3,634,021,886.79
  5. Step 5: Solve for x
    x = 3,634,021,886.79/61,109.32
  6. Step 6: Final answer
    x = 59,467.56

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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.