Home / 84,528.11-126,804.53-25,368.46

Finding the Fourth Proportional to 84,528.11, 126,804.53 and 25,368.46

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Solution

The fourth proportional to 84,528.11, 126,804.53 and 25,368.46 is: 38,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,528.11 : 126,804.53 = 25,368.46 : x
  2. Step 2: Convert to fraction form
    84,528.11/126,804.53 = 25,368.46/x
  3. Step 3: Cross multiply
    84,528.11x = 126,804.53 × 25,368.46
  4. Step 4: Simplify right side
    84,528.11x = 3,216,834,886.26
  5. Step 5: Solve for x
    x = 3,216,834,886.26/84,528.11
  6. Step 6: Final answer
    x = 38,056.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.