Home / 90,290.98-124,622.28-60,077.57

Finding the Fourth Proportional to 90,290.98, 124,622.28 and 60,077.57

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Solution

The fourth proportional to 90,290.98, 124,622.28 and 60,077.57 is: 82,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,290.98 : 124,622.28 = 60,077.57 : x
  2. Step 2: Convert to fraction form
    90,290.98/124,622.28 = 60,077.57/x
  3. Step 3: Cross multiply
    90,290.98x = 124,622.28 × 60,077.57
  4. Step 4: Simplify right side
    90,290.98x = 7,487,003,750.26
  5. Step 5: Solve for x
    x = 7,487,003,750.26/90,290.98
  6. Step 6: Final answer
    x = 82,920.84

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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.