Home / 98,595.24-147,751.38-42,420.12

Finding the Fourth Proportional to 98,595.24, 147,751.38 and 42,420.12

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Solution

The fourth proportional to 98,595.24, 147,751.38 and 42,420.12 is: 63,569.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,595.24 : 147,751.38 = 42,420.12 : x
  2. Step 2: Convert to fraction form
    98,595.24/147,751.38 = 42,420.12/x
  3. Step 3: Cross multiply
    98,595.24x = 147,751.38 × 42,420.12
  4. Step 4: Simplify right side
    98,595.24x = 6,267,631,269.77
  5. Step 5: Solve for x
    x = 6,267,631,269.77/98,595.24
  6. Step 6: Final answer
    x = 63,569.31

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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.