Home / 93,145.04-128,536.14-50,703.50

Finding the Fourth Proportional to 93,145.04, 128,536.14 and 50,703.50

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Solution

The fourth proportional to 93,145.04, 128,536.14 and 50,703.50 is: 69,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,145.04 : 128,536.14 = 50,703.50 : x
  2. Step 2: Convert to fraction form
    93,145.04/128,536.14 = 50,703.50/x
  3. Step 3: Cross multiply
    93,145.04x = 128,536.14 × 50,703.50
  4. Step 4: Simplify right side
    93,145.04x = 6,517,232,174.49
  5. Step 5: Solve for x
    x = 6,517,232,174.49/93,145.04
  6. Step 6: Final answer
    x = 69,968.64

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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.