Home / 112,528.66-155,283.27-61,531.27

Finding the Fourth Proportional to 112,528.66, 155,283.27 and 61,531.27

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Solution

The fourth proportional to 112,528.66, 155,283.27 and 61,531.27 is: 84,909.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,528.66 : 155,283.27 = 61,531.27 : x
  2. Step 2: Convert to fraction form
    112,528.66/155,283.27 = 61,531.27/x
  3. Step 3: Cross multiply
    112,528.66x = 155,283.27 × 61,531.27
  4. Step 4: Simplify right side
    112,528.66x = 9,554,776,812.85
  5. Step 5: Solve for x
    x = 9,554,776,812.85/112,528.66
  6. Step 6: Final answer
    x = 84,909.72

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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.