Home / 61,809.16-85,307.56-36,315.52

Finding the Fourth Proportional to 61,809.16, 85,307.56 and 36,315.52

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Solution

The fourth proportional to 61,809.16, 85,307.56 and 36,315.52 is: 50,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,809.16 : 85,307.56 = 36,315.52 : x
  2. Step 2: Convert to fraction form
    61,809.16/85,307.56 = 36,315.52/x
  3. Step 3: Cross multiply
    61,809.16x = 85,307.56 × 36,315.52
  4. Step 4: Simplify right side
    61,809.16x = 3,097,988,401.33
  5. Step 5: Solve for x
    x = 3,097,988,401.33/61,809.16
  6. Step 6: Final answer
    x = 50,121.83

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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.