Home / 47,090.99-64,985.67-25,870.07

Finding the Fourth Proportional to 47,090.99, 64,985.67 and 25,870.07

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Solution

The fourth proportional to 47,090.99, 64,985.67 and 25,870.07 is: 35,700.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,090.99 : 64,985.67 = 25,870.07 : x
  2. Step 2: Convert to fraction form
    47,090.99/64,985.67 = 25,870.07/x
  3. Step 3: Cross multiply
    47,090.99x = 64,985.67 × 25,870.07
  4. Step 4: Simplify right side
    47,090.99x = 1,681,183,506.97
  5. Step 5: Solve for x
    x = 1,681,183,506.97/47,090.99
  6. Step 6: Final answer
    x = 35,700.75

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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.