Home / 93,033.11-128,397.95-90,499.94

Finding the Fourth Proportional to 93,033.11, 128,397.95 and 90,499.94

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Solution

The fourth proportional to 93,033.11, 128,397.95 and 90,499.94 is: 124,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,033.11 : 128,397.95 = 90,499.94 : x
  2. Step 2: Convert to fraction form
    93,033.11/128,397.95 = 90,499.94/x
  3. Step 3: Cross multiply
    93,033.11x = 128,397.95 × 90,499.94
  4. Step 4: Simplify right side
    93,033.11x = 11,620,005,676.63
  5. Step 5: Solve for x
    x = 11,620,005,676.63/93,033.11
  6. Step 6: Final answer
    x = 124,901.84

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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.