Home / 93,145.48-128,537.49-50,703.10

Finding the Fourth Proportional to 93,145.48, 128,537.49 and 50,703.10

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Solution

The fourth proportional to 93,145.48, 128,537.49 and 50,703.10 is: 69,968.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,145.48 : 128,537.49 = 50,703.10 : x
  2. Step 2: Convert to fraction form
    93,145.48/128,537.49 = 50,703.10/x
  3. Step 3: Cross multiply
    93,145.48x = 128,537.49 × 50,703.10
  4. Step 4: Simplify right side
    93,145.48x = 6,517,249,209.22
  5. Step 5: Solve for x
    x = 6,517,249,209.22/93,145.48
  6. Step 6: Final answer
    x = 69,968.50

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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.