Home / 61,698.07-85,143.50-33,403.76

Finding the Fourth Proportional to 61,698.07, 85,143.50 and 33,403.76

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Solution

The fourth proportional to 61,698.07, 85,143.50 and 33,403.76 is: 46,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,698.07 : 85,143.50 = 33,403.76 : x
  2. Step 2: Convert to fraction form
    61,698.07/85,143.50 = 33,403.76/x
  3. Step 3: Cross multiply
    61,698.07x = 85,143.50 × 33,403.76
  4. Step 4: Simplify right side
    61,698.07x = 2,844,113,079.27
  5. Step 5: Solve for x
    x = 2,844,113,079.27/61,698.07
  6. Step 6: Final answer
    x = 46,097.28

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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.