Home / 99,602.12-149,402.64-57,454.92

Finding the Fourth Proportional to 99,602.12, 149,402.64 and 57,454.92

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Solution

The fourth proportional to 99,602.12, 149,402.64 and 57,454.92 is: 86,182.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,602.12 : 149,402.64 = 57,454.92 : x
  2. Step 2: Convert to fraction form
    99,602.12/149,402.64 = 57,454.92/x
  3. Step 3: Cross multiply
    99,602.12x = 149,402.64 × 57,454.92
  4. Step 4: Simplify right side
    99,602.12x = 8,583,916,728.99
  5. Step 5: Solve for x
    x = 8,583,916,728.99/99,602.12
  6. Step 6: Final answer
    x = 86,182.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.