Home / 64,102.23-88,437.56-40,220.19

Finding the Fourth Proportional to 64,102.23, 88,437.56 and 40,220.19

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Solution

The fourth proportional to 64,102.23, 88,437.56 and 40,220.19 is: 55,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,102.23 : 88,437.56 = 40,220.19 : x
  2. Step 2: Convert to fraction form
    64,102.23/88,437.56 = 40,220.19/x
  3. Step 3: Cross multiply
    64,102.23x = 88,437.56 × 40,220.19
  4. Step 4: Simplify right side
    64,102.23x = 3,556,975,265.24
  5. Step 5: Solve for x
    x = 3,556,975,265.24/64,102.23
  6. Step 6: Final answer
    x = 55,489.10

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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.