Home / 98,743.10-148,114.65-63,313.70

Finding the Fourth Proportional to 98,743.10, 148,114.65 and 63,313.70

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Solution

The fourth proportional to 98,743.10, 148,114.65 and 63,313.70 is: 94,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,743.10 : 148,114.65 = 63,313.70 : x
  2. Step 2: Convert to fraction form
    98,743.10/148,114.65 = 63,313.70/x
  3. Step 3: Cross multiply
    98,743.10x = 148,114.65 × 63,313.70
  4. Step 4: Simplify right side
    98,743.10x = 9,377,686,515.71
  5. Step 5: Solve for x
    x = 9,377,686,515.71/98,743.10
  6. Step 6: Final answer
    x = 94,970.55

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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.