Home / 98,587.04-147,878.40-42,464.48

Finding the Fourth Proportional to 98,587.04, 147,878.40 and 42,464.48

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Solution

The fourth proportional to 98,587.04, 147,878.40 and 42,464.48 is: 63,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,587.04 : 147,878.40 = 42,464.48 : x
  2. Step 2: Convert to fraction form
    98,587.04/147,878.40 = 42,464.48/x
  3. Step 3: Cross multiply
    98,587.04x = 147,878.40 × 42,464.48
  4. Step 4: Simplify right side
    98,587.04x = 6,279,579,359.23
  5. Step 5: Solve for x
    x = 6,279,579,359.23/98,587.04
  6. Step 6: Final answer
    x = 63,695.79

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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.