Home / 70,816.53-97,727.67-38,987.58

Finding the Fourth Proportional to 70,816.53, 97,727.67 and 38,987.58

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Solution

The fourth proportional to 70,816.53, 97,727.67 and 38,987.58 is: 53,803.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,816.53 : 97,727.67 = 38,987.58 : x
  2. Step 2: Convert to fraction form
    70,816.53/97,727.67 = 38,987.58/x
  3. Step 3: Cross multiply
    70,816.53x = 97,727.67 × 38,987.58
  4. Step 4: Simplify right side
    70,816.53x = 3,810,165,352.34
  5. Step 5: Solve for x
    x = 3,810,165,352.34/70,816.53
  6. Step 6: Final answer
    x = 53,803.33

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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.