Home / 93,631.83-129,201.80-55,392.81

Finding the Fourth Proportional to 93,631.83, 129,201.80 and 55,392.81

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Solution

The fourth proportional to 93,631.83, 129,201.80 and 55,392.81 is: 76,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,631.83 : 129,201.80 = 55,392.81 : x
  2. Step 2: Convert to fraction form
    93,631.83/129,201.80 = 55,392.81/x
  3. Step 3: Cross multiply
    93,631.83x = 129,201.80 × 55,392.81
  4. Step 4: Simplify right side
    93,631.83x = 7,156,850,482.09
  5. Step 5: Solve for x
    x = 7,156,850,482.09/93,631.83
  6. Step 6: Final answer
    x = 76,436.08

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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.