Home / 65,562.81-90,518.07-45,412.44

Finding the Fourth Proportional to 65,562.81, 90,518.07 and 45,412.44

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Solution

The fourth proportional to 65,562.81, 90,518.07 and 45,412.44 is: 62,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,562.81 : 90,518.07 = 45,412.44 : x
  2. Step 2: Convert to fraction form
    65,562.81/90,518.07 = 45,412.44/x
  3. Step 3: Cross multiply
    65,562.81x = 90,518.07 × 45,412.44
  4. Step 4: Simplify right side
    65,562.81x = 4,110,646,422.79
  5. Step 5: Solve for x
    x = 4,110,646,422.79/65,562.81
  6. Step 6: Final answer
    x = 62,697.84

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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.