Home / 61,816.55-85,270.26-39,460.55

Finding the Fourth Proportional to 61,816.55, 85,270.26 and 39,460.55

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Solution

The fourth proportional to 61,816.55, 85,270.26 and 39,460.55 is: 54,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,816.55 : 85,270.26 = 39,460.55 : x
  2. Step 2: Convert to fraction form
    61,816.55/85,270.26 = 39,460.55/x
  3. Step 3: Cross multiply
    61,816.55x = 85,270.26 × 39,460.55
  4. Step 4: Simplify right side
    61,816.55x = 3,364,810,931.89
  5. Step 5: Solve for x
    x = 3,364,810,931.89/61,816.55
  6. Step 6: Final answer
    x = 54,432.21

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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.