Home / 109,703.40-164,555.10-62,917.80

Finding the Fourth Proportional to 109,703.40, 164,555.10 and 62,917.80

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Solution

The fourth proportional to 109,703.40, 164,555.10 and 62,917.80 is: 94,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,703.40 : 164,555.10 = 62,917.80 : x
  2. Step 2: Convert to fraction form
    109,703.40/164,555.10 = 62,917.80/x
  3. Step 3: Cross multiply
    109,703.40x = 164,555.10 × 62,917.80
  4. Step 4: Simplify right side
    109,703.40x = 10,353,444,870.78
  5. Step 5: Solve for x
    x = 10,353,444,870.78/109,703.40
  6. Step 6: Final answer
    x = 94,376.70

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1.5x scale

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.