Home / 98,618.04-148,032.45-42,486.03

Finding the Fourth Proportional to 98,618.04, 148,032.45 and 42,486.03

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Solution

The fourth proportional to 98,618.04, 148,032.45 and 42,486.03 is: 63,774.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,618.04 : 148,032.45 = 42,486.03 : x
  2. Step 2: Convert to fraction form
    98,618.04/148,032.45 = 42,486.03/x
  3. Step 3: Cross multiply
    98,618.04x = 148,032.45 × 42,486.03
  4. Step 4: Simplify right side
    98,618.04x = 6,289,311,111.67
  5. Step 5: Solve for x
    x = 6,289,311,111.67/98,618.04
  6. Step 6: Final answer
    x = 63,774.45

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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.