Home / 61,515.20-92,272.80-39,353.60

Finding the Fourth Proportional to 61,515.20, 92,272.80 and 39,353.60

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Solution

The fourth proportional to 61,515.20, 92,272.80 and 39,353.60 is: 59,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,515.20 : 92,272.80 = 39,353.60 : x
  2. Step 2: Convert to fraction form
    61,515.20/92,272.80 = 39,353.60/x
  3. Step 3: Cross multiply
    61,515.20x = 92,272.80 × 39,353.60
  4. Step 4: Simplify right side
    61,515.20x = 3,631,266,862.08
  5. Step 5: Solve for x
    x = 3,631,266,862.08/61,515.20
  6. Step 6: Final answer
    x = 59,030.40

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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.