Home / 47,154.02-65,071.37-25,643.51

Finding the Fourth Proportional to 47,154.02, 65,071.37 and 25,643.51

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Solution

The fourth proportional to 47,154.02, 65,071.37 and 25,643.51 is: 35,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,154.02 : 65,071.37 = 25,643.51 : x
  2. Step 2: Convert to fraction form
    47,154.02/65,071.37 = 25,643.51/x
  3. Step 3: Cross multiply
    47,154.02x = 65,071.37 × 25,643.51
  4. Step 4: Simplify right side
    47,154.02x = 1,668,658,327.31
  5. Step 5: Solve for x
    x = 1,668,658,327.31/47,154.02
  6. Step 6: Final answer
    x = 35,387.40

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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.