Home / 113,804.12-157,047.48-62,813.86

Finding the Fourth Proportional to 113,804.12, 157,047.48 and 62,813.86

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Solution

The fourth proportional to 113,804.12, 157,047.48 and 62,813.86 is: 86,681.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,804.12 : 157,047.48 = 62,813.86 : x
  2. Step 2: Convert to fraction form
    113,804.12/157,047.48 = 62,813.86/x
  3. Step 3: Cross multiply
    113,804.12x = 157,047.48 × 62,813.86
  4. Step 4: Simplify right side
    113,804.12x = 9,864,758,422.07
  5. Step 5: Solve for x
    x = 9,864,758,422.07/113,804.12
  6. Step 6: Final answer
    x = 86,681.91

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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.