Home / 53,986.02-74,501.50-30,114.50

Finding the Fourth Proportional to 53,986.02, 74,501.50 and 30,114.50

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Solution

The fourth proportional to 53,986.02, 74,501.50 and 30,114.50 is: 41,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,986.02 : 74,501.50 = 30,114.50 : x
  2. Step 2: Convert to fraction form
    53,986.02/74,501.50 = 30,114.50/x
  3. Step 3: Cross multiply
    53,986.02x = 74,501.50 × 30,114.50
  4. Step 4: Simplify right side
    53,986.02x = 2,243,575,421.75
  5. Step 5: Solve for x
    x = 2,243,575,421.75/53,986.02
  6. Step 6: Final answer
    x = 41,558.45

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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.