Home / 56,935.19-78,603.36-37,840.86

Finding the Fourth Proportional to 56,935.19, 78,603.36 and 37,840.86

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Solution

The fourth proportional to 56,935.19, 78,603.36 and 37,840.86 is: 52,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,935.19 : 78,603.36 = 37,840.86 : x
  2. Step 2: Convert to fraction form
    56,935.19/78,603.36 = 37,840.86/x
  3. Step 3: Cross multiply
    56,935.19x = 78,603.36 × 37,840.86
  4. Step 4: Simplify right side
    56,935.19x = 2,974,418,741.29
  5. Step 5: Solve for x
    x = 2,974,418,741.29/56,935.19
  6. Step 6: Final answer
    x = 52,242.18

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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.