Home / 55,615.96-76,756.76-31,417.94

Finding the Fourth Proportional to 55,615.96, 76,756.76 and 31,417.94

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Solution

The fourth proportional to 55,615.96, 76,756.76 and 31,417.94 is: 43,360.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,615.96 : 76,756.76 = 31,417.94 : x
  2. Step 2: Convert to fraction form
    55,615.96/76,756.76 = 31,417.94/x
  3. Step 3: Cross multiply
    55,615.96x = 76,756.76 × 31,417.94
  4. Step 4: Simplify right side
    55,615.96x = 2,411,539,315.08
  5. Step 5: Solve for x
    x = 2,411,539,315.08/55,615.96
  6. Step 6: Final answer
    x = 43,360.56

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1.5x scale

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.