Home / 64,130.13-88,442.28-40,259.03

Finding the Fourth Proportional to 64,130.13, 88,442.28 and 40,259.03

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Solution

The fourth proportional to 64,130.13, 88,442.28 and 40,259.03 is: 55,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,130.13 : 88,442.28 = 40,259.03 : x
  2. Step 2: Convert to fraction form
    64,130.13/88,442.28 = 40,259.03/x
  3. Step 3: Cross multiply
    64,130.13x = 88,442.28 × 40,259.03
  4. Step 4: Simplify right side
    64,130.13x = 3,560,599,961.58
  5. Step 5: Solve for x
    x = 3,560,599,961.58/64,130.13
  6. Step 6: Final answer
    x = 55,521.48

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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.