Home / 93,475.49-128,959.29-57,603.02

Finding the Fourth Proportional to 93,475.49, 128,959.29 and 57,603.02

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Solution

The fourth proportional to 93,475.49, 128,959.29 and 57,603.02 is: 79,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,475.49 : 128,959.29 = 57,603.02 : x
  2. Step 2: Convert to fraction form
    93,475.49/128,959.29 = 57,603.02/x
  3. Step 3: Cross multiply
    93,475.49x = 128,959.29 × 57,603.02
  4. Step 4: Simplify right side
    93,475.49x = 7,428,443,916.26
  5. Step 5: Solve for x
    x = 7,428,443,916.26/93,475.49
  6. Step 6: Final answer
    x = 79,469.43

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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.