Home / 70,554.09-97,364.56-38,723.07

Finding the Fourth Proportional to 70,554.09, 97,364.56 and 38,723.07

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Solution

The fourth proportional to 70,554.09, 97,364.56 and 38,723.07 is: 53,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,554.09 : 97,364.56 = 38,723.07 : x
  2. Step 2: Convert to fraction form
    70,554.09/97,364.56 = 38,723.07/x
  3. Step 3: Cross multiply
    70,554.09x = 97,364.56 × 38,723.07
  4. Step 4: Simplify right side
    70,554.09x = 3,770,254,672.40
  5. Step 5: Solve for x
    x = 3,770,254,672.40/70,554.09
  6. Step 6: Final answer
    x = 53,437.79

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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.