Home / 53,717.58-73,988.64-53,421.93

Finding the Fourth Proportional to 53,717.58, 73,988.64 and 53,421.93

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Solution

The fourth proportional to 53,717.58, 73,988.64 and 53,421.93 is: 73,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,717.58 : 73,988.64 = 53,421.93 : x
  2. Step 2: Convert to fraction form
    53,717.58/73,988.64 = 53,421.93/x
  3. Step 3: Cross multiply
    53,717.58x = 73,988.64 × 53,421.93
  4. Step 4: Simplify right side
    53,717.58x = 3,952,615,946.88
  5. Step 5: Solve for x
    x = 3,952,615,946.88/53,717.58
  6. Step 6: Final answer
    x = 73,581.42

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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.