Home / 53,078.30-79,642.02-26,752.28

Finding the Fourth Proportional to 53,078.30, 79,642.02 and 26,752.28

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Solution

The fourth proportional to 53,078.30, 79,642.02 and 26,752.28 is: 40,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,078.30 : 79,642.02 = 26,752.28 : x
  2. Step 2: Convert to fraction form
    53,078.30/79,642.02 = 26,752.28/x
  3. Step 3: Cross multiply
    53,078.30x = 79,642.02 × 26,752.28
  4. Step 4: Simplify right side
    53,078.30x = 2,130,605,618.81
  5. Step 5: Solve for x
    x = 2,130,605,618.81/53,078.30
  6. Step 6: Final answer
    x = 40,140.80

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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.