Home / 85,592.19-128,318.73-35,709.46

Finding the Fourth Proportional to 85,592.19, 128,318.73 and 35,709.46

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Solution

The fourth proportional to 85,592.19, 128,318.73 and 35,709.46 is: 53,535.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,592.19 : 128,318.73 = 35,709.46 : x
  2. Step 2: Convert to fraction form
    85,592.19/128,318.73 = 35,709.46/x
  3. Step 3: Cross multiply
    85,592.19x = 128,318.73 × 35,709.46
  4. Step 4: Simplify right side
    85,592.19x = 4,582,192,302.34
  5. Step 5: Solve for x
    x = 4,582,192,302.34/85,592.19
  6. Step 6: Final answer
    x = 53,535.17

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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.