Home / 77,432.50-116,070.31-52,475.08

Finding the Fourth Proportional to 77,432.50, 116,070.31 and 52,475.08

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Solution

The fourth proportional to 77,432.50, 116,070.31 and 52,475.08 is: 78,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432.50 : 116,070.31 = 52,475.08 : x
  2. Step 2: Convert to fraction form
    77,432.50/116,070.31 = 52,475.08/x
  3. Step 3: Cross multiply
    77,432.50x = 116,070.31 × 52,475.08
  4. Step 4: Simplify right side
    77,432.50x = 6,090,798,802.87
  5. Step 5: Solve for x
    x = 6,090,798,802.87/77,432.50
  6. Step 6: Final answer
    x = 78,659.46

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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.