Home / 62,485.20-93,727.80-40,323.60

Finding the Fourth Proportional to 62,485.20, 93,727.80 and 40,323.60

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Solution

The fourth proportional to 62,485.20, 93,727.80 and 40,323.60 is: 60,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,485.20 : 93,727.80 = 40,323.60 : x
  2. Step 2: Convert to fraction form
    62,485.20/93,727.80 = 40,323.60/x
  3. Step 3: Cross multiply
    62,485.20x = 93,727.80 × 40,323.60
  4. Step 4: Simplify right side
    62,485.20x = 3,779,442,316.08
  5. Step 5: Solve for x
    x = 3,779,442,316.08/62,485.20
  6. Step 6: Final answer
    x = 60,485.40

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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.