Home / 55,624.04-76,761.24-30,130.46

Finding the Fourth Proportional to 55,624.04, 76,761.24 and 30,130.46

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Solution

The fourth proportional to 55,624.04, 76,761.24 and 30,130.46 is: 41,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,624.04 : 76,761.24 = 30,130.46 : x
  2. Step 2: Convert to fraction form
    55,624.04/76,761.24 = 30,130.46/x
  3. Step 3: Cross multiply
    55,624.04x = 76,761.24 × 30,130.46
  4. Step 4: Simplify right side
    55,624.04x = 2,312,851,471.37
  5. Step 5: Solve for x
    x = 2,312,851,471.37/55,624.04
  6. Step 6: Final answer
    x = 41,580.07

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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.