Home / 75,056.24-103,662.65-51,141.40

Finding the Fourth Proportional to 75,056.24, 103,662.65 and 51,141.40

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Solution

The fourth proportional to 75,056.24, 103,662.65 and 51,141.40 is: 70,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,056.24 : 103,662.65 = 51,141.40 : x
  2. Step 2: Convert to fraction form
    75,056.24/103,662.65 = 51,141.40/x
  3. Step 3: Cross multiply
    75,056.24x = 103,662.65 × 51,141.40
  4. Step 4: Simplify right side
    75,056.24x = 5,301,453,048.71
  5. Step 5: Solve for x
    x = 5,301,453,048.71/75,056.24
  6. Step 6: Final answer
    x = 70,633.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.