Home / 66,275.48-91,457.42-36,060.92

Finding the Fourth Proportional to 66,275.48, 91,457.42 and 36,060.92

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Solution

The fourth proportional to 66,275.48, 91,457.42 and 36,060.92 is: 49,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,275.48 : 91,457.42 = 36,060.92 : x
  2. Step 2: Convert to fraction form
    66,275.48/91,457.42 = 36,060.92/x
  3. Step 3: Cross multiply
    66,275.48x = 91,457.42 × 36,060.92
  4. Step 4: Simplify right side
    66,275.48x = 3,298,038,068.43
  5. Step 5: Solve for x
    x = 3,298,038,068.43/66,275.48
  6. Step 6: Final answer
    x = 49,762.57

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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.