Home / 57,339.16-79,128.12-32,188.84

Finding the Fourth Proportional to 57,339.16, 79,128.12 and 32,188.84

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Solution

The fourth proportional to 57,339.16, 79,128.12 and 32,188.84 is: 44,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,339.16 : 79,128.12 = 32,188.84 : x
  2. Step 2: Convert to fraction form
    57,339.16/79,128.12 = 32,188.84/x
  3. Step 3: Cross multiply
    57,339.16x = 79,128.12 × 32,188.84
  4. Step 4: Simplify right side
    57,339.16x = 2,547,042,394.18
  5. Step 5: Solve for x
    x = 2,547,042,394.18/57,339.16
  6. Step 6: Final answer
    x = 44,420.64

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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.