Home / 85,829.07-118,444.03-47,588.50

Finding the Fourth Proportional to 85,829.07, 118,444.03 and 47,588.50

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Solution

The fourth proportional to 85,829.07, 118,444.03 and 47,588.50 is: 65,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,829.07 : 118,444.03 = 47,588.50 : x
  2. Step 2: Convert to fraction form
    85,829.07/118,444.03 = 47,588.50/x
  3. Step 3: Cross multiply
    85,829.07x = 118,444.03 × 47,588.50
  4. Step 4: Simplify right side
    85,829.07x = 5,636,573,721.66
  5. Step 5: Solve for x
    x = 5,636,573,721.66/85,829.07
  6. Step 6: Final answer
    x = 65,672.08

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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.