Home / 78,852.48-118,044.72-47,592.96

Finding the Fourth Proportional to 78,852.48, 118,044.72 and 47,592.96

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Solution

The fourth proportional to 78,852.48, 118,044.72 and 47,592.96 is: 71,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,852.48 : 118,044.72 = 47,592.96 : x
  2. Step 2: Convert to fraction form
    78,852.48/118,044.72 = 47,592.96/x
  3. Step 3: Cross multiply
    78,852.48x = 118,044.72 × 47,592.96
  4. Step 4: Simplify right side
    78,852.48x = 5,618,097,637.17
  5. Step 5: Solve for x
    x = 5,618,097,637.17/78,852.48
  6. Step 6: Final answer
    x = 71,248.20

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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.