Home / 68,683.79-94,762.10-38,465.03

Finding the Fourth Proportional to 68,683.79, 94,762.10 and 38,465.03

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Solution

The fourth proportional to 68,683.79, 94,762.10 and 38,465.03 is: 53,069.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,683.79 : 94,762.10 = 38,465.03 : x
  2. Step 2: Convert to fraction form
    68,683.79/94,762.10 = 38,465.03/x
  3. Step 3: Cross multiply
    68,683.79x = 94,762.10 × 38,465.03
  4. Step 4: Simplify right side
    68,683.79x = 3,645,026,641.72
  5. Step 5: Solve for x
    x = 3,645,026,641.72/68,683.79
  6. Step 6: Final answer
    x = 53,069.68

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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.