Home / 65,099.15-89,837.54-38,242.79

Finding the Fourth Proportional to 65,099.15, 89,837.54 and 38,242.79

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Solution

The fourth proportional to 65,099.15, 89,837.54 and 38,242.79 is: 52,775.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,099.15 : 89,837.54 = 38,242.79 : x
  2. Step 2: Convert to fraction form
    65,099.15/89,837.54 = 38,242.79/x
  3. Step 3: Cross multiply
    65,099.15x = 89,837.54 × 38,242.79
  4. Step 4: Simplify right side
    65,099.15x = 3,435,637,535.93
  5. Step 5: Solve for x
    x = 3,435,637,535.93/65,099.15
  6. Step 6: Final answer
    x = 52,775.46

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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.