Home / 92,767.30-128,109.81-64,160.26

Finding the Fourth Proportional to 92,767.30, 128,109.81 and 64,160.26

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Solution

The fourth proportional to 92,767.30, 128,109.81 and 64,160.26 is: 88,604.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,767.30 : 128,109.81 = 64,160.26 : x
  2. Step 2: Convert to fraction form
    92,767.30/128,109.81 = 64,160.26/x
  3. Step 3: Cross multiply
    92,767.30x = 128,109.81 × 64,160.26
  4. Step 4: Simplify right side
    92,767.30x = 8,219,558,718.15
  5. Step 5: Solve for x
    x = 8,219,558,718.15/92,767.30
  6. Step 6: Final answer
    x = 88,604.05

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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.