Home / 93,153.03-128,551.14-50,711.55

Finding the Fourth Proportional to 93,153.03, 128,551.14 and 50,711.55

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Solution

The fourth proportional to 93,153.03, 128,551.14 and 50,711.55 is: 69,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,153.03 : 128,551.14 = 50,711.55 : x
  2. Step 2: Convert to fraction form
    93,153.03/128,551.14 = 50,711.55/x
  3. Step 3: Cross multiply
    93,153.03x = 128,551.14 × 50,711.55
  4. Step 4: Simplify right side
    93,153.03x = 6,519,027,563.67
  5. Step 5: Solve for x
    x = 6,519,027,563.67/93,153.03
  6. Step 6: Final answer
    x = 69,981.92

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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.