Home / 93,612.10-140,418.15-72,616.90

Finding the Fourth Proportional to 93,612.10, 140,418.15 and 72,616.90

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Solution

The fourth proportional to 93,612.10, 140,418.15 and 72,616.90 is: 108,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,612.10 : 140,418.15 = 72,616.90 : x
  2. Step 2: Convert to fraction form
    93,612.10/140,418.15 = 72,616.90/x
  3. Step 3: Cross multiply
    93,612.10x = 140,418.15 × 72,616.90
  4. Step 4: Simplify right side
    93,612.10x = 10,196,730,756.74
  5. Step 5: Solve for x
    x = 10,196,730,756.74/93,612.10
  6. Step 6: Final answer
    x = 108,925.35

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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.