Home / 66,349.18-99,457.53-36,780.22

Finding the Fourth Proportional to 66,349.18, 99,457.53 and 36,780.22

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Solution

The fourth proportional to 66,349.18, 99,457.53 and 36,780.22 is: 55,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,349.18 : 99,457.53 = 36,780.22 : x
  2. Step 2: Convert to fraction form
    66,349.18/99,457.53 = 36,780.22/x
  3. Step 3: Cross multiply
    66,349.18x = 99,457.53 × 36,780.22
  4. Step 4: Simplify right side
    66,349.18x = 3,658,069,834.06
  5. Step 5: Solve for x
    x = 3,658,069,834.06/66,349.18
  6. Step 6: Final answer
    x = 55,133.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.