Home / 85,039.01-127,587.20-37,647.56

Finding the Fourth Proportional to 85,039.01, 127,587.20 and 37,647.56

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Solution

The fourth proportional to 85,039.01, 127,587.20 and 37,647.56 is: 56,484.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,039.01 : 127,587.20 = 37,647.56 : x
  2. Step 2: Convert to fraction form
    85,039.01/127,587.20 = 37,647.56/x
  3. Step 3: Cross multiply
    85,039.01x = 127,587.20 × 37,647.56
  4. Step 4: Simplify right side
    85,039.01x = 4,803,345,941.06
  5. Step 5: Solve for x
    x = 4,803,345,941.06/85,039.01
  6. Step 6: Final answer
    x = 56,484.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.