Home / 56,085.22-77,355.57-39,090.34

Finding the Fourth Proportional to 56,085.22, 77,355.57 and 39,090.34

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Solution

The fourth proportional to 56,085.22, 77,355.57 and 39,090.34 is: 53,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,085.22 : 77,355.57 = 39,090.34 : x
  2. Step 2: Convert to fraction form
    56,085.22/77,355.57 = 39,090.34/x
  3. Step 3: Cross multiply
    56,085.22x = 77,355.57 × 39,090.34
  4. Step 4: Simplify right side
    56,085.22x = 3,023,855,532.19
  5. Step 5: Solve for x
    x = 3,023,855,532.19/56,085.22
  6. Step 6: Final answer
    x = 53,915.37

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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.