Home / 98,796.24-148,159.80-42,621.12

Finding the Fourth Proportional to 98,796.24, 148,159.80 and 42,621.12

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Solution

The fourth proportional to 98,796.24, 148,159.80 and 42,621.12 is: 63,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,796.24 : 148,159.80 = 42,621.12 : x
  2. Step 2: Convert to fraction form
    98,796.24/148,159.80 = 42,621.12/x
  3. Step 3: Cross multiply
    98,796.24x = 148,159.80 × 42,621.12
  4. Step 4: Simplify right side
    98,796.24x = 6,314,736,614.98
  5. Step 5: Solve for x
    x = 6,314,736,614.98/98,796.24
  6. Step 6: Final answer
    x = 63,916.77

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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.