Home / 60,142.24-82,968.60-38,928.32

Finding the Fourth Proportional to 60,142.24, 82,968.60 and 38,928.32

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Solution

The fourth proportional to 60,142.24, 82,968.60 and 38,928.32 is: 53,703.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,142.24 : 82,968.60 = 38,928.32 : x
  2. Step 2: Convert to fraction form
    60,142.24/82,968.60 = 38,928.32/x
  3. Step 3: Cross multiply
    60,142.24x = 82,968.60 × 38,928.32
  4. Step 4: Simplify right side
    60,142.24x = 3,229,828,210.75
  5. Step 5: Solve for x
    x = 3,229,828,210.75/60,142.24
  6. Step 6: Final answer
    x = 53,703.16

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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.