Home / 65,134.48-89,925.90-49,998.16

Finding the Fourth Proportional to 65,134.48, 89,925.90 and 49,998.16

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Solution

The fourth proportional to 65,134.48, 89,925.90 and 49,998.16 is: 69,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,134.48 : 89,925.90 = 49,998.16 : x
  2. Step 2: Convert to fraction form
    65,134.48/89,925.90 = 49,998.16/x
  3. Step 3: Cross multiply
    65,134.48x = 89,925.90 × 49,998.16
  4. Step 4: Simplify right side
    65,134.48x = 4,496,129,536.34
  5. Step 5: Solve for x
    x = 4,496,129,536.34/65,134.48
  6. Step 6: Final answer
    x = 69,028.41

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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.