Home / 53,315.34-79,970.58-17,774.16

Finding the Fourth Proportional to 53,315.34, 79,970.58 and 17,774.16

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Solution

The fourth proportional to 53,315.34, 79,970.58 and 17,774.16 is: 26,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,315.34 : 79,970.58 = 17,774.16 : x
  2. Step 2: Convert to fraction form
    53,315.34/79,970.58 = 17,774.16/x
  3. Step 3: Cross multiply
    53,315.34x = 79,970.58 × 17,774.16
  4. Step 4: Simplify right side
    53,315.34x = 1,421,409,884.21
  5. Step 5: Solve for x
    x = 1,421,409,884.21/53,315.34
  6. Step 6: Final answer
    x = 26,660.43

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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.