Home / 93,977.02-129,562.81-74,660.01

Finding the Fourth Proportional to 93,977.02, 129,562.81 and 74,660.01

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Solution

The fourth proportional to 93,977.02, 129,562.81 and 74,660.01 is: 102,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,977.02 : 129,562.81 = 74,660.01 : x
  2. Step 2: Convert to fraction form
    93,977.02/129,562.81 = 74,660.01/x
  3. Step 3: Cross multiply
    93,977.02x = 129,562.81 × 74,660.01
  4. Step 4: Simplify right side
    93,977.02x = 9,673,160,690.23
  5. Step 5: Solve for x
    x = 9,673,160,690.23/93,977.02
  6. Step 6: Final answer
    x = 102,931.13

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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.