Home / 98,232-135,555.48-57,947.28

Finding the Fourth Proportional to 98,232, 135,555.48 and 57,947.28

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Solution

The fourth proportional to 98,232, 135,555.48 and 57,947.28 is: 79,964.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,232 : 135,555.48 = 57,947.28 : x
  2. Step 2: Convert to fraction form
    98,232/135,555.48 = 57,947.28/x
  3. Step 3: Cross multiply
    98,232x = 135,555.48 × 57,947.28
  4. Step 4: Simplify right side
    98,232x = 7,855,071,355.09
  5. Step 5: Solve for x
    x = 7,855,071,355.09/98,232
  6. Step 6: Final answer
    x = 79,964.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.