Home / 109,685.16-164,493.72-39,555.36

Finding the Fourth Proportional to 109,685.16, 164,493.72 and 39,555.36

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Solution

The fourth proportional to 109,685.16, 164,493.72 and 39,555.36 is: 59,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,685.16 : 164,493.72 = 39,555.36 : x
  2. Step 2: Convert to fraction form
    109,685.16/164,493.72 = 39,555.36/x
  3. Step 3: Cross multiply
    109,685.16x = 164,493.72 × 39,555.36
  4. Step 4: Simplify right side
    109,685.16x = 6,506,608,312.34
  5. Step 5: Solve for x
    x = 6,506,608,312.34/109,685.16
  6. Step 6: Final answer
    x = 59,320.77

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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.