Home / 85,842.10-128,726.70-41,482.45

Finding the Fourth Proportional to 85,842.10, 128,726.70 and 41,482.45

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Solution

The fourth proportional to 85,842.10, 128,726.70 and 41,482.45 is: 62,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,842.10 : 128,726.70 = 41,482.45 : x
  2. Step 2: Convert to fraction form
    85,842.10/128,726.70 = 41,482.45/x
  3. Step 3: Cross multiply
    85,842.10x = 128,726.70 × 41,482.45
  4. Step 4: Simplify right side
    85,842.10x = 5,339,898,896.42
  5. Step 5: Solve for x
    x = 5,339,898,896.42/85,842.10
  6. Step 6: Final answer
    x = 62,206.06

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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.