Home / 60,046.14-82,820.70-42,145.14

Finding the Fourth Proportional to 60,046.14, 82,820.70 and 42,145.14

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Solution

The fourth proportional to 60,046.14, 82,820.70 and 42,145.14 is: 58,130.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,046.14 : 82,820.70 = 42,145.14 : x
  2. Step 2: Convert to fraction form
    60,046.14/82,820.70 = 42,145.14/x
  3. Step 3: Cross multiply
    60,046.14x = 82,820.70 × 42,145.14
  4. Step 4: Simplify right side
    60,046.14x = 3,490,489,996.40
  5. Step 5: Solve for x
    x = 3,490,489,996.40/60,046.14
  6. Step 6: Final answer
    x = 58,130.13

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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.