Home / 65,100.11-89,808.36-38,242.13

Finding the Fourth Proportional to 65,100.11, 89,808.36 and 38,242.13

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Solution

The fourth proportional to 65,100.11, 89,808.36 and 38,242.13 is: 52,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,100.11 : 89,808.36 = 38,242.13 : x
  2. Step 2: Convert to fraction form
    65,100.11/89,808.36 = 38,242.13/x
  3. Step 3: Cross multiply
    65,100.11x = 89,808.36 × 38,242.13
  4. Step 4: Simplify right side
    65,100.11x = 3,434,462,978.21
  5. Step 5: Solve for x
    x = 3,434,462,978.21/65,100.11
  6. Step 6: Final answer
    x = 52,756.64

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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.