Home / 92,087.74-137,607.41-69,142.01

Finding the Fourth Proportional to 92,087.74, 137,607.41 and 69,142.01

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Solution

The fourth proportional to 92,087.74, 137,607.41 and 69,142.01 is: 103,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,087.74 : 137,607.41 = 69,142.01 : x
  2. Step 2: Convert to fraction form
    92,087.74/137,607.41 = 69,142.01/x
  3. Step 3: Cross multiply
    92,087.74x = 137,607.41 × 69,142.01
  4. Step 4: Simplify right side
    92,087.74x = 9,514,452,014.19
  5. Step 5: Solve for x
    x = 9,514,452,014.19/92,087.74
  6. Step 6: Final answer
    x = 103,319.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.