Home / 53,861.02-74,332.23-31,206.10

Finding the Fourth Proportional to 53,861.02, 74,332.23 and 31,206.10

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Solution

The fourth proportional to 53,861.02, 74,332.23 and 31,206.10 is: 43,066.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,861.02 : 74,332.23 = 31,206.10 : x
  2. Step 2: Convert to fraction form
    53,861.02/74,332.23 = 31,206.10/x
  3. Step 3: Cross multiply
    53,861.02x = 74,332.23 × 31,206.10
  4. Step 4: Simplify right side
    53,861.02x = 2,319,619,002.60
  5. Step 5: Solve for x
    x = 2,319,619,002.60/53,861.02
  6. Step 6: Final answer
    x = 43,066.75

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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.