Home / 93,432.02-128,934.38-50,990.85

Finding the Fourth Proportional to 93,432.02, 128,934.38 and 50,990.85

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Solution

The fourth proportional to 93,432.02, 128,934.38 and 50,990.85 is: 70,366.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,432.02 : 128,934.38 = 50,990.85 : x
  2. Step 2: Convert to fraction form
    93,432.02/128,934.38 = 50,990.85/x
  3. Step 3: Cross multiply
    93,432.02x = 128,934.38 × 50,990.85
  4. Step 4: Simplify right side
    93,432.02x = 6,574,473,757.90
  5. Step 5: Solve for x
    x = 6,574,473,757.90/93,432.02
  6. Step 6: Final answer
    x = 70,366.39

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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.