Home / 93,159.32-128,562.54-50,718.56

Finding the Fourth Proportional to 93,159.32, 128,562.54 and 50,718.56

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Solution

The fourth proportional to 93,159.32, 128,562.54 and 50,718.56 is: 69,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,159.32 : 128,562.54 = 50,718.56 : x
  2. Step 2: Convert to fraction form
    93,159.32/128,562.54 = 50,718.56/x
  3. Step 3: Cross multiply
    93,159.32x = 128,562.54 × 50,718.56
  4. Step 4: Simplify right side
    93,159.32x = 6,520,506,898.74
  5. Step 5: Solve for x
    x = 6,520,506,898.74/93,159.32
  6. Step 6: Final answer
    x = 69,993.07

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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.