Home / 102,328.80-141,220.08-59,883.36

Finding the Fourth Proportional to 102,328.80, 141,220.08 and 59,883.36

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Solution

The fourth proportional to 102,328.80, 141,220.08 and 59,883.36 is: 82,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,328.80 : 141,220.08 = 59,883.36 : x
  2. Step 2: Convert to fraction form
    102,328.80/141,220.08 = 59,883.36/x
  3. Step 3: Cross multiply
    102,328.80x = 141,220.08 × 59,883.36
  4. Step 4: Simplify right side
    102,328.80x = 8,456,732,889.87
  5. Step 5: Solve for x
    x = 8,456,732,889.87/102,328.80
  6. Step 6: Final answer
    x = 82,642.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.