Home / 93,399.49-128,886.01-53,123.05

Finding the Fourth Proportional to 93,399.49, 128,886.01 and 53,123.05

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Solution

The fourth proportional to 93,399.49, 128,886.01 and 53,123.05 is: 73,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,399.49 : 128,886.01 = 53,123.05 : x
  2. Step 2: Convert to fraction form
    93,399.49/128,886.01 = 53,123.05/x
  3. Step 3: Cross multiply
    93,399.49x = 128,886.01 × 53,123.05
  4. Step 4: Simplify right side
    93,399.49x = 6,846,817,953.53
  5. Step 5: Solve for x
    x = 6,846,817,953.53/93,399.49
  6. Step 6: Final answer
    x = 73,306.80

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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.