Home / 93,013.77-128,131.23-67,445.04

Finding the Fourth Proportional to 93,013.77, 128,131.23 and 67,445.04

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Solution

The fourth proportional to 93,013.77, 128,131.23 and 67,445.04 is: 92,909.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,013.77 : 128,131.23 = 67,445.04 : x
  2. Step 2: Convert to fraction form
    93,013.77/128,131.23 = 67,445.04/x
  3. Step 3: Cross multiply
    93,013.77x = 128,131.23 × 67,445.04
  4. Step 4: Simplify right side
    93,013.77x = 8,641,815,932.60
  5. Step 5: Solve for x
    x = 8,641,815,932.60/93,013.77
  6. Step 6: Final answer
    x = 92,909.00

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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.