Home / 92,685.36-139,038.97-69,459.42

Finding the Fourth Proportional to 92,685.36, 139,038.97 and 69,459.42

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Solution

The fourth proportional to 92,685.36, 139,038.97 and 69,459.42 is: 104,197.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,685.36 : 139,038.97 = 69,459.42 : x
  2. Step 2: Convert to fraction form
    92,685.36/139,038.97 = 69,459.42/x
  3. Step 3: Cross multiply
    92,685.36x = 139,038.97 × 69,459.42
  4. Step 4: Simplify right side
    92,685.36x = 9,657,566,213.60
  5. Step 5: Solve for x
    x = 9,657,566,213.60/92,685.36
  6. Step 6: Final answer
    x = 104,197.32

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1.5x scale

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.