Home / 98,526.42-147,810.36-31,961.36

Finding the Fourth Proportional to 98,526.42, 147,810.36 and 31,961.36

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Solution

The fourth proportional to 98,526.42, 147,810.36 and 31,961.36 is: 47,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,526.42 : 147,810.36 = 31,961.36 : x
  2. Step 2: Convert to fraction form
    98,526.42/147,810.36 = 31,961.36/x
  3. Step 3: Cross multiply
    98,526.42x = 147,810.36 × 31,961.36
  4. Step 4: Simplify right side
    98,526.42x = 4,724,220,127.69
  5. Step 5: Solve for x
    x = 4,724,220,127.69/98,526.42
  6. Step 6: Final answer
    x = 47,948.76

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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.