Home / 85,693.14-128,554.92-29,539.26

Finding the Fourth Proportional to 85,693.14, 128,554.92 and 29,539.26

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Solution

The fourth proportional to 85,693.14, 128,554.92 and 29,539.26 is: 44,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,693.14 : 128,554.92 = 29,539.26 : x
  2. Step 2: Convert to fraction form
    85,693.14/128,554.92 = 29,539.26/x
  3. Step 3: Cross multiply
    85,693.14x = 128,554.92 × 29,539.26
  4. Step 4: Simplify right side
    85,693.14x = 3,797,417,206.16
  5. Step 5: Solve for x
    x = 3,797,417,206.16/85,693.14
  6. Step 6: Final answer
    x = 44,314.13

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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.