Home / 57,807.36-86,716.81-15,688.12

Finding the Fourth Proportional to 57,807.36, 86,716.81 and 15,688.12

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Solution

The fourth proportional to 57,807.36, 86,716.81 and 15,688.12 is: 23,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,807.36 : 86,716.81 = 15,688.12 : x
  2. Step 2: Convert to fraction form
    57,807.36/86,716.81 = 15,688.12/x
  3. Step 3: Cross multiply
    57,807.36x = 86,716.81 × 15,688.12
  4. Step 4: Simplify right side
    57,807.36x = 1,360,423,721.30
  5. Step 5: Solve for x
    x = 1,360,423,721.30/57,807.36
  6. Step 6: Final answer
    x = 23,533.75

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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.