Home / 57,518.04-86,402.86-40,984.32

Finding the Fourth Proportional to 57,518.04, 86,402.86 and 40,984.32

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Solution

The fourth proportional to 57,518.04, 86,402.86 and 40,984.32 is: 61,566.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,518.04 : 86,402.86 = 40,984.32 : x
  2. Step 2: Convert to fraction form
    57,518.04/86,402.86 = 40,984.32/x
  3. Step 3: Cross multiply
    57,518.04x = 86,402.86 × 40,984.32
  4. Step 4: Simplify right side
    57,518.04x = 3,541,162,463.16
  5. Step 5: Solve for x
    x = 3,541,162,463.16/57,518.04
  6. Step 6: Final answer
    x = 61,566.12

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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.