Home / 93,278.94-128,709.23-52,437.66

Finding the Fourth Proportional to 93,278.94, 128,709.23 and 52,437.66

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Solution

The fourth proportional to 93,278.94, 128,709.23 and 52,437.66 is: 72,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,278.94 : 128,709.23 = 52,437.66 : x
  2. Step 2: Convert to fraction form
    93,278.94/128,709.23 = 52,437.66/x
  3. Step 3: Cross multiply
    93,278.94x = 128,709.23 × 52,437.66
  4. Step 4: Simplify right side
    93,278.94x = 6,749,210,579.41
  5. Step 5: Solve for x
    x = 6,749,210,579.41/93,278.94
  6. Step 6: Final answer
    x = 72,355.14

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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.