Home / 56,203.36-77,915.76-53,207.12

Finding the Fourth Proportional to 56,203.36, 77,915.76 and 53,207.12

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Solution

The fourth proportional to 56,203.36, 77,915.76 and 53,207.12 is: 73,762.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,203.36 : 77,915.76 = 53,207.12 : x
  2. Step 2: Convert to fraction form
    56,203.36/77,915.76 = 53,207.12/x
  3. Step 3: Cross multiply
    56,203.36x = 77,915.76 × 53,207.12
  4. Step 4: Simplify right side
    56,203.36x = 4,145,673,192.21
  5. Step 5: Solve for x
    x = 4,145,673,192.21/56,203.36
  6. Step 6: Final answer
    x = 73,762.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.