Home / 93,685.12-129,282.22-53,411.86

Finding the Fourth Proportional to 93,685.12, 129,282.22 and 53,411.86

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Solution

The fourth proportional to 93,685.12, 129,282.22 and 53,411.86 is: 73,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,685.12 : 129,282.22 = 53,411.86 : x
  2. Step 2: Convert to fraction form
    93,685.12/129,282.22 = 53,411.86/x
  3. Step 3: Cross multiply
    93,685.12x = 129,282.22 × 53,411.86
  4. Step 4: Simplify right side
    93,685.12x = 6,905,203,188.72
  5. Step 5: Solve for x
    x = 6,905,203,188.72/93,685.12
  6. Step 6: Final answer
    x = 73,706.51

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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.