Home / 66,495.09-91,762.77-36,280.47

Finding the Fourth Proportional to 66,495.09, 91,762.77 and 36,280.47

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Solution

The fourth proportional to 66,495.09, 91,762.77 and 36,280.47 is: 50,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,495.09 : 91,762.77 = 36,280.47 : x
  2. Step 2: Convert to fraction form
    66,495.09/91,762.77 = 36,280.47/x
  3. Step 3: Cross multiply
    66,495.09x = 91,762.77 × 36,280.47
  4. Step 4: Simplify right side
    66,495.09x = 3,329,196,424.10
  5. Step 5: Solve for x
    x = 3,329,196,424.10/66,495.09
  6. Step 6: Final answer
    x = 50,066.80

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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.