Home / 60,304.61-90,465.15-20,851.13

Finding the Fourth Proportional to 60,304.61, 90,465.15 and 20,851.13

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Solution

The fourth proportional to 60,304.61, 90,465.15 and 20,851.13 is: 31,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,304.61 : 90,465.15 = 20,851.13 : x
  2. Step 2: Convert to fraction form
    60,304.61/90,465.15 = 20,851.13/x
  3. Step 3: Cross multiply
    60,304.61x = 90,465.15 × 20,851.13
  4. Step 4: Simplify right side
    60,304.61x = 1,886,300,603.12
  5. Step 5: Solve for x
    x = 1,886,300,603.12/60,304.61
  6. Step 6: Final answer
    x = 31,279.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.