Home / 93,108.04-128,488.28-50,666.60

Finding the Fourth Proportional to 93,108.04, 128,488.28 and 50,666.60

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Solution

The fourth proportional to 93,108.04, 128,488.28 and 50,666.60 is: 69,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,108.04 : 128,488.28 = 50,666.60 : x
  2. Step 2: Convert to fraction form
    93,108.04/128,488.28 = 50,666.60/x
  3. Step 3: Cross multiply
    93,108.04x = 128,488.28 × 50,666.60
  4. Step 4: Simplify right side
    93,108.04x = 6,510,064,355.34
  5. Step 5: Solve for x
    x = 6,510,064,355.34/93,108.04
  6. Step 6: Final answer
    x = 69,919.47

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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.