Home / 70,948.42-97,913.33-39,120.28

Finding the Fourth Proportional to 70,948.42, 97,913.33 and 39,120.28

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Solution

The fourth proportional to 70,948.42, 97,913.33 and 39,120.28 is: 53,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,948.42 : 97,913.33 = 39,120.28 : x
  2. Step 2: Convert to fraction form
    70,948.42/97,913.33 = 39,120.28/x
  3. Step 3: Cross multiply
    70,948.42x = 97,913.33 × 39,120.28
  4. Step 4: Simplify right side
    70,948.42x = 3,830,396,885.33
  5. Step 5: Solve for x
    x = 3,830,396,885.33/70,948.42
  6. Step 6: Final answer
    x = 53,988.47

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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.