Home / 117,128.16-175,725.05-47,056.68

Finding the Fourth Proportional to 117,128.16, 175,725.05 and 47,056.68

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Solution

The fourth proportional to 117,128.16, 175,725.05 and 47,056.68 is: 70,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,128.16 : 175,725.05 = 47,056.68 : x
  2. Step 2: Convert to fraction form
    117,128.16/175,725.05 = 47,056.68/x
  3. Step 3: Cross multiply
    117,128.16x = 175,725.05 × 47,056.68
  4. Step 4: Simplify right side
    117,128.16x = 8,269,037,210.55
  5. Step 5: Solve for x
    x = 8,269,037,210.55/117,128.16
  6. Step 6: Final answer
    x = 70,598.20

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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.