Home / 101,513.12-152,184.02-63,990.45

Finding the Fourth Proportional to 101,513.12, 152,184.02 and 63,990.45

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Solution

The fourth proportional to 101,513.12, 152,184.02 and 63,990.45 is: 95,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,513.12 : 152,184.02 = 63,990.45 : x
  2. Step 2: Convert to fraction form
    101,513.12/152,184.02 = 63,990.45/x
  3. Step 3: Cross multiply
    101,513.12x = 152,184.02 × 63,990.45
  4. Step 4: Simplify right side
    101,513.12x = 9,738,323,602.66
  5. Step 5: Solve for x
    x = 9,738,323,602.66/101,513.12
  6. Step 6: Final answer
    x = 95,931.68

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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.