Home / 70,733.04-97,611.56-38,904.08

Finding the Fourth Proportional to 70,733.04, 97,611.56 and 38,904.08

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Solution

The fourth proportional to 70,733.04, 97,611.56 and 38,904.08 is: 53,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,733.04 : 97,611.56 = 38,904.08 : x
  2. Step 2: Convert to fraction form
    70,733.04/97,611.56 = 38,904.08/x
  3. Step 3: Cross multiply
    70,733.04x = 97,611.56 × 38,904.08
  4. Step 4: Simplify right side
    70,733.04x = 3,797,487,939.16
  5. Step 5: Solve for x
    x = 3,797,487,939.16/70,733.04
  6. Step 6: Final answer
    x = 53,687.61

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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.