Home / 64,768.10-97,086.47-31,460.09

Finding the Fourth Proportional to 64,768.10, 97,086.47 and 31,460.09

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Solution

The fourth proportional to 64,768.10, 97,086.47 and 31,460.09 is: 47,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,768.10 : 97,086.47 = 31,460.09 : x
  2. Step 2: Convert to fraction form
    64,768.10/97,086.47 = 31,460.09/x
  3. Step 3: Cross multiply
    64,768.10x = 97,086.47 × 31,460.09
  4. Step 4: Simplify right side
    64,768.10x = 3,054,348,441.25
  5. Step 5: Solve for x
    x = 3,054,348,441.25/64,768.10
  6. Step 6: Final answer
    x = 47,158.23

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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.