Home / 98,434.94-147,675.90-31,875.14

Finding the Fourth Proportional to 98,434.94, 147,675.90 and 31,875.14

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Solution

The fourth proportional to 98,434.94, 147,675.90 and 31,875.14 is: 47,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,434.94 : 147,675.90 = 31,875.14 : x
  2. Step 2: Convert to fraction form
    98,434.94/147,675.90 = 31,875.14/x
  3. Step 3: Cross multiply
    98,434.94x = 147,675.90 × 31,875.14
  4. Step 4: Simplify right side
    98,434.94x = 4,707,189,987.13
  5. Step 5: Solve for x
    x = 4,707,189,987.13/98,434.94
  6. Step 6: Final answer
    x = 47,820.32

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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.