Home / 61,615.08-92,275.45-31,555.68

Finding the Fourth Proportional to 61,615.08, 92,275.45 and 31,555.68

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Solution

The fourth proportional to 61,615.08, 92,275.45 and 31,555.68 is: 47,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,615.08 : 92,275.45 = 31,555.68 : x
  2. Step 2: Convert to fraction form
    61,615.08/92,275.45 = 31,555.68/x
  3. Step 3: Cross multiply
    61,615.08x = 92,275.45 × 31,555.68
  4. Step 4: Simplify right side
    61,615.08x = 2,911,814,324.63
  5. Step 5: Solve for x
    x = 2,911,814,324.63/61,615.08
  6. Step 6: Final answer
    x = 47,258.14

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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.