Home / 93,144.32-128,539.14-50,703.16

Finding the Fourth Proportional to 93,144.32, 128,539.14 and 50,703.16

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Solution

The fourth proportional to 93,144.32, 128,539.14 and 50,703.16 is: 69,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,144.32 : 128,539.14 = 50,703.16 : x
  2. Step 2: Convert to fraction form
    93,144.32/128,539.14 = 50,703.16/x
  3. Step 3: Cross multiply
    93,144.32x = 128,539.14 × 50,703.16
  4. Step 4: Simplify right side
    93,144.32x = 6,517,340,581.68
  5. Step 5: Solve for x
    x = 6,517,340,581.68/93,144.32
  6. Step 6: Final answer
    x = 69,970.35

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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.