Home / 78,848.16-118,276.80-32,075.52

Finding the Fourth Proportional to 78,848.16, 118,276.80 and 32,075.52

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Solution

The fourth proportional to 78,848.16, 118,276.80 and 32,075.52 is: 48,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,848.16 : 118,276.80 = 32,075.52 : x
  2. Step 2: Convert to fraction form
    78,848.16/118,276.80 = 32,075.52/x
  3. Step 3: Cross multiply
    78,848.16x = 118,276.80 × 32,075.52
  4. Step 4: Simplify right side
    78,848.16x = 3,793,789,863.94
  5. Step 5: Solve for x
    x = 3,793,789,863.94/78,848.16
  6. Step 6: Final answer
    x = 48,115.14

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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.