Home / 57,347.19-86,031.54-25,756.47

Finding the Fourth Proportional to 57,347.19, 86,031.54 and 25,756.47

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Solution

The fourth proportional to 57,347.19, 86,031.54 and 25,756.47 is: 38,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,347.19 : 86,031.54 = 25,756.47 : x
  2. Step 2: Convert to fraction form
    57,347.19/86,031.54 = 25,756.47/x
  3. Step 3: Cross multiply
    57,347.19x = 86,031.54 × 25,756.47
  4. Step 4: Simplify right side
    57,347.19x = 2,215,868,779.06
  5. Step 5: Solve for x
    x = 2,215,868,779.06/57,347.19
  6. Step 6: Final answer
    x = 38,639.54

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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.