Home / 70,685.10-97,537.23-42,005.97

Finding the Fourth Proportional to 70,685.10, 97,537.23 and 42,005.97

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Solution

The fourth proportional to 70,685.10, 97,537.23 and 42,005.97 is: 57,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,685.10 : 97,537.23 = 42,005.97 : x
  2. Step 2: Convert to fraction form
    70,685.10/97,537.23 = 42,005.97/x
  3. Step 3: Cross multiply
    70,685.10x = 97,537.23 × 42,005.97
  4. Step 4: Simplify right side
    70,685.10x = 4,097,145,957.26
  5. Step 5: Solve for x
    x = 4,097,145,957.26/70,685.10
  6. Step 6: Final answer
    x = 57,963.36

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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.