Home / 98,756.40-148,133.93-39,591.24

Finding the Fourth Proportional to 98,756.40, 148,133.93 and 39,591.24

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Solution

The fourth proportional to 98,756.40, 148,133.93 and 39,591.24 is: 59,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,756.40 : 148,133.93 = 39,591.24 : x
  2. Step 2: Convert to fraction form
    98,756.40/148,133.93 = 39,591.24/x
  3. Step 3: Cross multiply
    98,756.40x = 148,133.93 × 39,591.24
  4. Step 4: Simplify right side
    98,756.40x = 5,864,805,776.82
  5. Step 5: Solve for x
    x = 5,864,805,776.82/98,756.40
  6. Step 6: Final answer
    x = 59,386.59

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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.