Home / 70,705.16-97,573.44-38,440.09

Finding the Fourth Proportional to 70,705.16, 97,573.44 and 38,440.09

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Solution

The fourth proportional to 70,705.16, 97,573.44 and 38,440.09 is: 53,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,705.16 : 97,573.44 = 38,440.09 : x
  2. Step 2: Convert to fraction form
    70,705.16/97,573.44 = 38,440.09/x
  3. Step 3: Cross multiply
    70,705.16x = 97,573.44 × 38,440.09
  4. Step 4: Simplify right side
    70,705.16x = 3,750,731,815.21
  5. Step 5: Solve for x
    x = 3,750,731,815.21/70,705.16
  6. Step 6: Final answer
    x = 53,047.50

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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.