Home / 113,865.84-157,134.06-62,881.74

Finding the Fourth Proportional to 113,865.84, 157,134.06 and 62,881.74

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Solution

The fourth proportional to 113,865.84, 157,134.06 and 62,881.74 is: 86,776.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,865.84 : 157,134.06 = 62,881.74 : x
  2. Step 2: Convert to fraction form
    113,865.84/157,134.06 = 62,881.74/x
  3. Step 3: Cross multiply
    113,865.84x = 157,134.06 × 62,881.74
  4. Step 4: Simplify right side
    113,865.84x = 9,880,863,106.06
  5. Step 5: Solve for x
    x = 9,880,863,106.06/113,865.84
  6. Step 6: Final answer
    x = 86,776.36

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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.