Home / 55,688.04-76,818.48-33,005.21

Finding the Fourth Proportional to 55,688.04, 76,818.48 and 33,005.21

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Solution

The fourth proportional to 55,688.04, 76,818.48 and 33,005.21 is: 45,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,688.04 : 76,818.48 = 33,005.21 : x
  2. Step 2: Convert to fraction form
    55,688.04/76,818.48 = 33,005.21/x
  3. Step 3: Cross multiply
    55,688.04x = 76,818.48 × 33,005.21
  4. Step 4: Simplify right side
    55,688.04x = 2,535,409,556.42
  5. Step 5: Solve for x
    x = 2,535,409,556.42/55,688.04
  6. Step 6: Final answer
    x = 45,528.80

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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.