Home / 93,436.40-128,942.34-50,994.93

Finding the Fourth Proportional to 93,436.40, 128,942.34 and 50,994.93

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Solution

The fourth proportional to 93,436.40, 128,942.34 and 50,994.93 is: 70,373.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,436.40 : 128,942.34 = 50,994.93 : x
  2. Step 2: Convert to fraction form
    93,436.40/128,942.34 = 50,994.93/x
  3. Step 3: Cross multiply
    93,436.40x = 128,942.34 × 50,994.93
  4. Step 4: Simplify right side
    93,436.40x = 6,575,405,602.34
  5. Step 5: Solve for x
    x = 6,575,405,602.34/93,436.40
  6. Step 6: Final answer
    x = 70,373.06

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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.