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Finding the Fourth Proportional to 93,862.86, 129,530.03 and 50,841.42

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Solution

The fourth proportional to 93,862.86, 129,530.03 and 50,841.42 is: 70,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,862.86 : 129,530.03 = 50,841.42 : x
  2. Step 2: Convert to fraction form
    93,862.86/129,530.03 = 50,841.42/x
  3. Step 3: Cross multiply
    93,862.86x = 129,530.03 × 50,841.42
  4. Step 4: Simplify right side
    93,862.86x = 6,585,490,403.64
  5. Step 5: Solve for x
    x = 6,585,490,403.64/93,862.86
  6. Step 6: Final answer
    x = 70,160.77

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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.