Home / 53,637.60-80,456.40-31,461.60

Finding the Fourth Proportional to 53,637.60, 80,456.40 and 31,461.60

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Solution

The fourth proportional to 53,637.60, 80,456.40 and 31,461.60 is: 47,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,637.60 : 80,456.40 = 31,461.60 : x
  2. Step 2: Convert to fraction form
    53,637.60/80,456.40 = 31,461.60/x
  3. Step 3: Cross multiply
    53,637.60x = 80,456.40 × 31,461.60
  4. Step 4: Simplify right side
    53,637.60x = 2,531,287,074.24
  5. Step 5: Solve for x
    x = 2,531,287,074.24/53,637.60
  6. Step 6: Final answer
    x = 47,192.40

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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.