Home / 55,152.68-76,111.14-30,002.12

Finding the Fourth Proportional to 55,152.68, 76,111.14 and 30,002.12

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Solution

The fourth proportional to 55,152.68, 76,111.14 and 30,002.12 is: 41,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,152.68 : 76,111.14 = 30,002.12 : x
  2. Step 2: Convert to fraction form
    55,152.68/76,111.14 = 30,002.12/x
  3. Step 3: Cross multiply
    55,152.68x = 76,111.14 × 30,002.12
  4. Step 4: Simplify right side
    55,152.68x = 2,283,495,555.62
  5. Step 5: Solve for x
    x = 2,283,495,555.62/55,152.68
  6. Step 6: Final answer
    x = 41,403.17

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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.