Home / 70,988.03-106,482.09-39,845.15

Finding the Fourth Proportional to 70,988.03, 106,482.09 and 39,845.15

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Solution

The fourth proportional to 70,988.03, 106,482.09 and 39,845.15 is: 59,767.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,988.03 : 106,482.09 = 39,845.15 : x
  2. Step 2: Convert to fraction form
    70,988.03/106,482.09 = 39,845.15/x
  3. Step 3: Cross multiply
    70,988.03x = 106,482.09 × 39,845.15
  4. Step 4: Simplify right side
    70,988.03x = 4,242,794,848.36
  5. Step 5: Solve for x
    x = 4,242,794,848.36/70,988.03
  6. Step 6: Final answer
    x = 59,767.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.