Home / 53,285.28-73,520.80-34,156.32

Finding the Fourth Proportional to 53,285.28, 73,520.80 and 34,156.32

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Solution

The fourth proportional to 53,285.28, 73,520.80 and 34,156.32 is: 47,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,285.28 : 73,520.80 = 34,156.32 : x
  2. Step 2: Convert to fraction form
    53,285.28/73,520.80 = 34,156.32/x
  3. Step 3: Cross multiply
    53,285.28x = 73,520.80 × 34,156.32
  4. Step 4: Simplify right side
    53,285.28x = 2,511,199,971.46
  5. Step 5: Solve for x
    x = 2,511,199,971.46/53,285.28
  6. Step 6: Final answer
    x = 47,127.46

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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.