Home / 70,815.30-97,716.24-47,895.09

Finding the Fourth Proportional to 70,815.30, 97,716.24 and 47,895.09

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Solution

The fourth proportional to 70,815.30, 97,716.24 and 47,895.09 is: 66,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815.30 : 97,716.24 = 47,895.09 : x
  2. Step 2: Convert to fraction form
    70,815.30/97,716.24 = 47,895.09/x
  3. Step 3: Cross multiply
    70,815.30x = 97,716.24 × 47,895.09
  4. Step 4: Simplify right side
    70,815.30x = 4,680,128,109.26
  5. Step 5: Solve for x
    x = 4,680,128,109.26/70,815.30
  6. Step 6: Final answer
    x = 66,089.22

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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.