Home / 88,381.02-132,398.82-70,649.00

Finding the Fourth Proportional to 88,381.02, 132,398.82 and 70,649.00

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Solution

The fourth proportional to 88,381.02, 132,398.82 and 70,649.00 is: 105,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,381.02 : 132,398.82 = 70,649.00 : x
  2. Step 2: Convert to fraction form
    88,381.02/132,398.82 = 70,649.00/x
  3. Step 3: Cross multiply
    88,381.02x = 132,398.82 × 70,649.00
  4. Step 4: Simplify right side
    88,381.02x = 9,353,843,572.19
  5. Step 5: Solve for x
    x = 9,353,843,572.19/88,381.02
  6. Step 6: Final answer
    x = 105,835.43

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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.