Home / 93,278.15-128,724.27-52,994.12

Finding the Fourth Proportional to 93,278.15, 128,724.27 and 52,994.12

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Solution

The fourth proportional to 93,278.15, 128,724.27 and 52,994.12 is: 73,132.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,278.15 : 128,724.27 = 52,994.12 : x
  2. Step 2: Convert to fraction form
    93,278.15/128,724.27 = 52,994.12/x
  3. Step 3: Cross multiply
    93,278.15x = 128,724.27 × 52,994.12
  4. Step 4: Simplify right side
    93,278.15x = 6,821,629,250.39
  5. Step 5: Solve for x
    x = 6,821,629,250.39/93,278.15
  6. Step 6: Final answer
    x = 73,132.13

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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.