Home / 76,962.64-106,207.40-42,971.65

Finding the Fourth Proportional to 76,962.64, 106,207.40 and 42,971.65

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Solution

The fourth proportional to 76,962.64, 106,207.40 and 42,971.65 is: 59,300.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,962.64 : 106,207.40 = 42,971.65 : x
  2. Step 2: Convert to fraction form
    76,962.64/106,207.40 = 42,971.65/x
  3. Step 3: Cross multiply
    76,962.64x = 106,207.40 × 42,971.65
  4. Step 4: Simplify right side
    76,962.64x = 4,563,907,220.21
  5. Step 5: Solve for x
    x = 4,563,907,220.21/76,962.64
  6. Step 6: Final answer
    x = 59,300.29

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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.