Home / 53,412.60-80,013.30-46,846.20

Finding the Fourth Proportional to 53,412.60, 80,013.30 and 46,846.20

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Solution

The fourth proportional to 53,412.60, 80,013.30 and 46,846.20 is: 70,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,412.60 : 80,013.30 = 46,846.20 : x
  2. Step 2: Convert to fraction form
    53,412.60/80,013.30 = 46,846.20/x
  3. Step 3: Cross multiply
    53,412.60x = 80,013.30 × 46,846.20
  4. Step 4: Simplify right side
    53,412.60x = 3,748,319,054.46
  5. Step 5: Solve for x
    x = 3,748,319,054.46/53,412.60
  6. Step 6: Final answer
    x = 70,176.68

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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.