Home / 79,547.21-109,768.64-46,836.45

Finding the Fourth Proportional to 79,547.21, 109,768.64 and 46,836.45

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Solution

The fourth proportional to 79,547.21, 109,768.64 and 46,836.45 is: 64,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,547.21 : 109,768.64 = 46,836.45 : x
  2. Step 2: Convert to fraction form
    79,547.21/109,768.64 = 46,836.45/x
  3. Step 3: Cross multiply
    79,547.21x = 109,768.64 × 46,836.45
  4. Step 4: Simplify right side
    79,547.21x = 5,141,173,418.93
  5. Step 5: Solve for x
    x = 5,141,173,418.93/79,547.21
  6. Step 6: Final answer
    x = 64,630.47

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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.