Home / 79,628.49-109,888.14-45,636.24

Finding the Fourth Proportional to 79,628.49, 109,888.14 and 45,636.24

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Solution

The fourth proportional to 79,628.49, 109,888.14 and 45,636.24 is: 62,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,628.49 : 109,888.14 = 45,636.24 : x
  2. Step 2: Convert to fraction form
    79,628.49/109,888.14 = 45,636.24/x
  3. Step 3: Cross multiply
    79,628.49x = 109,888.14 × 45,636.24
  4. Step 4: Simplify right side
    79,628.49x = 5,014,881,530.19
  5. Step 5: Solve for x
    x = 5,014,881,530.19/79,628.49
  6. Step 6: Final answer
    x = 62,978.48

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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.