Home / 98,574.48-147,875.09-31,993.11

Finding the Fourth Proportional to 98,574.48, 147,875.09 and 31,993.11

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Solution

The fourth proportional to 98,574.48, 147,875.09 and 31,993.11 is: 47,994.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,574.48 : 147,875.09 = 31,993.11 : x
  2. Step 2: Convert to fraction form
    98,574.48/147,875.09 = 31,993.11/x
  3. Step 3: Cross multiply
    98,574.48x = 147,875.09 × 31,993.11
  4. Step 4: Simplify right side
    98,574.48x = 4,730,983,860.66
  5. Step 5: Solve for x
    x = 4,730,983,860.66/98,574.48
  6. Step 6: Final answer
    x = 47,994.00

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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.