Home / 79,430.84-109,587.16-50,767.28

Finding the Fourth Proportional to 79,430.84, 109,587.16 and 50,767.28

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Solution

The fourth proportional to 79,430.84, 109,587.16 and 50,767.28 is: 70,041.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,430.84 : 109,587.16 = 50,767.28 : x
  2. Step 2: Convert to fraction form
    79,430.84/109,587.16 = 50,767.28/x
  3. Step 3: Cross multiply
    79,430.84x = 109,587.16 × 50,767.28
  4. Step 4: Simplify right side
    79,430.84x = 5,563,442,036.12
  5. Step 5: Solve for x
    x = 5,563,442,036.12/79,430.84
  6. Step 6: Final answer
    x = 70,041.33

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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.