Home / 90,657.23-125,071.14-52,409.74

Finding the Fourth Proportional to 90,657.23, 125,071.14 and 52,409.74

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Solution

The fourth proportional to 90,657.23, 125,071.14 and 52,409.74 is: 72,304.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,657.23 : 125,071.14 = 52,409.74 : x
  2. Step 2: Convert to fraction form
    90,657.23/125,071.14 = 52,409.74/x
  3. Step 3: Cross multiply
    90,657.23x = 125,071.14 × 52,409.74
  4. Step 4: Simplify right side
    90,657.23x = 6,554,945,648.66
  5. Step 5: Solve for x
    x = 6,554,945,648.66/90,657.23
  6. Step 6: Final answer
    x = 72,304.72

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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.