Home / 70,880.06-97,817.22-39,048.28

Finding the Fourth Proportional to 70,880.06, 97,817.22 and 39,048.28

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Solution

The fourth proportional to 70,880.06, 97,817.22 and 39,048.28 is: 53,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,880.06 : 97,817.22 = 39,048.28 : x
  2. Step 2: Convert to fraction form
    70,880.06/97,817.22 = 39,048.28/x
  3. Step 3: Cross multiply
    70,880.06x = 97,817.22 × 39,048.28
  4. Step 4: Simplify right side
    70,880.06x = 3,819,593,950.84
  5. Step 5: Solve for x
    x = 3,819,593,950.84/70,880.06
  6. Step 6: Final answer
    x = 53,888.13

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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.