Home / 93,845.34-129,506.60-51,405.40

Finding the Fourth Proportional to 93,845.34, 129,506.60 and 51,405.40

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Solution

The fourth proportional to 93,845.34, 129,506.60 and 51,405.40 is: 70,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,845.34 : 129,506.60 = 51,405.40 : x
  2. Step 2: Convert to fraction form
    93,845.34/129,506.60 = 51,405.40/x
  3. Step 3: Cross multiply
    93,845.34x = 129,506.60 × 51,405.40
  4. Step 4: Simplify right side
    93,845.34x = 6,657,338,575.64
  5. Step 5: Solve for x
    x = 6,657,338,575.64/93,845.34
  6. Step 6: Final answer
    x = 70,939.47

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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.