Home / 52,305.07-72,178.62-29,642.74

Finding the Fourth Proportional to 52,305.07, 72,178.62 and 29,642.74

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Solution

The fourth proportional to 52,305.07, 72,178.62 and 29,642.74 is: 40,905.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,305.07 : 72,178.62 = 29,642.74 : x
  2. Step 2: Convert to fraction form
    52,305.07/72,178.62 = 29,642.74/x
  3. Step 3: Cross multiply
    52,305.07x = 72,178.62 × 29,642.74
  4. Step 4: Simplify right side
    52,305.07x = 2,139,572,066.22
  5. Step 5: Solve for x
    x = 2,139,572,066.22/52,305.07
  6. Step 6: Final answer
    x = 40,905.63

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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.