Home / 90,925.47-125,466.10-52,161.30

Finding the Fourth Proportional to 90,925.47, 125,466.10 and 52,161.30

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Solution

The fourth proportional to 90,925.47, 125,466.10 and 52,161.30 is: 71,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,925.47 : 125,466.10 = 52,161.30 : x
  2. Step 2: Convert to fraction form
    90,925.47/125,466.10 = 52,161.30/x
  3. Step 3: Cross multiply
    90,925.47x = 125,466.10 × 52,161.30
  4. Step 4: Simplify right side
    90,925.47x = 6,544,474,751.53
  5. Step 5: Solve for x
    x = 6,544,474,751.53/90,925.47
  6. Step 6: Final answer
    x = 71,976.25

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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.