Home / 85,070.66-117,401.38-47,347.34

Finding the Fourth Proportional to 85,070.66, 117,401.38 and 47,347.34

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Solution

The fourth proportional to 85,070.66, 117,401.38 and 47,347.34 is: 65,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,070.66 : 117,401.38 = 47,347.34 : x
  2. Step 2: Convert to fraction form
    85,070.66/117,401.38 = 47,347.34/x
  3. Step 3: Cross multiply
    85,070.66x = 117,401.38 × 47,347.34
  4. Step 4: Simplify right side
    85,070.66x = 5,558,643,055.33
  5. Step 5: Solve for x
    x = 5,558,643,055.33/85,070.66
  6. Step 6: Final answer
    x = 65,341.48

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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.