Home / 70,979.49-97,920.77-46,749.15

Finding the Fourth Proportional to 70,979.49, 97,920.77 and 46,749.15

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Solution

The fourth proportional to 70,979.49, 97,920.77 and 46,749.15 is: 64,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,979.49 : 97,920.77 = 46,749.15 : x
  2. Step 2: Convert to fraction form
    70,979.49/97,920.77 = 46,749.15/x
  3. Step 3: Cross multiply
    70,979.49x = 97,920.77 × 46,749.15
  4. Step 4: Simplify right side
    70,979.49x = 4,577,712,531.10
  5. Step 5: Solve for x
    x = 4,577,712,531.10/70,979.49
  6. Step 6: Final answer
    x = 64,493.45

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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.