Home / 98,602.31-148,008.77-42,470.22

Finding the Fourth Proportional to 98,602.31, 148,008.77 and 42,470.22

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Solution

The fourth proportional to 98,602.31, 148,008.77 and 42,470.22 is: 63,750.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,602.31 : 148,008.77 = 42,470.22 : x
  2. Step 2: Convert to fraction form
    98,602.31/148,008.77 = 42,470.22/x
  3. Step 3: Cross multiply
    98,602.31x = 148,008.77 × 42,470.22
  4. Step 4: Simplify right side
    98,602.31x = 6,285,965,525.77
  5. Step 5: Solve for x
    x = 6,285,965,525.77/98,602.31
  6. Step 6: Final answer
    x = 63,750.69

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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.