Home / 56,526.13-78,007.02-31,034.86

Finding the Fourth Proportional to 56,526.13, 78,007.02 and 31,034.86

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Solution

The fourth proportional to 56,526.13, 78,007.02 and 31,034.86 is: 42,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,526.13 : 78,007.02 = 31,034.86 : x
  2. Step 2: Convert to fraction form
    56,526.13/78,007.02 = 31,034.86/x
  3. Step 3: Cross multiply
    56,526.13x = 78,007.02 × 31,034.86
  4. Step 4: Simplify right side
    56,526.13x = 2,420,936,944.72
  5. Step 5: Solve for x
    x = 2,420,936,944.72/56,526.13
  6. Step 6: Final answer
    x = 42,828.63

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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.