Home / 98,761.63-148,146.66-38,803.08

Finding the Fourth Proportional to 98,761.63, 148,146.66 and 38,803.08

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Solution

The fourth proportional to 98,761.63, 148,146.66 and 38,803.08 is: 58,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,761.63 : 148,146.66 = 38,803.08 : x
  2. Step 2: Convert to fraction form
    98,761.63/148,146.66 = 38,803.08/x
  3. Step 3: Cross multiply
    98,761.63x = 148,146.66 × 38,803.08
  4. Step 4: Simplify right side
    98,761.63x = 5,748,547,200.70
  5. Step 5: Solve for x
    x = 5,748,547,200.70/98,761.63
  6. Step 6: Final answer
    x = 58,206.28

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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.