Home / 98,030.48-147,045-27,909.68

Finding the Fourth Proportional to 98,030.48, 147,045 and 27,909.68

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Solution

The fourth proportional to 98,030.48, 147,045 and 27,909.68 is: 41,864.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,030.48 : 147,045 = 27,909.68 : x
  2. Step 2: Convert to fraction form
    98,030.48/147,045 = 27,909.68/x
  3. Step 3: Cross multiply
    98,030.48x = 147,045 × 27,909.68
  4. Step 4: Simplify right side
    98,030.48x = 4,103,978,895.60
  5. Step 5: Solve for x
    x = 4,103,978,895.60/98,030.48
  6. Step 6: Final answer
    x = 41,864.32

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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.