Home / 53,429.28-73,765.98-34,316.76

Finding the Fourth Proportional to 53,429.28, 73,765.98 and 34,316.76

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Solution

The fourth proportional to 53,429.28, 73,765.98 and 34,316.76 is: 47,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,429.28 : 73,765.98 = 34,316.76 : x
  2. Step 2: Convert to fraction form
    53,429.28/73,765.98 = 34,316.76/x
  3. Step 3: Cross multiply
    53,429.28x = 73,765.98 × 34,316.76
  4. Step 4: Simplify right side
    53,429.28x = 2,531,409,431.82
  5. Step 5: Solve for x
    x = 2,531,409,431.82/53,429.28
  6. Step 6: Final answer
    x = 47,378.69

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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.