Home / 90,629.31-125,070.71-50,341.13

Finding the Fourth Proportional to 90,629.31, 125,070.71 and 50,341.13

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Solution

The fourth proportional to 90,629.31, 125,070.71 and 50,341.13 is: 69,472.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,629.31 : 125,070.71 = 50,341.13 : x
  2. Step 2: Convert to fraction form
    90,629.31/125,070.71 = 50,341.13/x
  3. Step 3: Cross multiply
    90,629.31x = 125,070.71 × 50,341.13
  4. Step 4: Simplify right side
    90,629.31x = 6,296,199,994.24
  5. Step 5: Solve for x
    x = 6,296,199,994.24/90,629.31
  6. Step 6: Final answer
    x = 69,472.01

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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.