Home / 99,549.23-149,417.64-66,292.56

Finding the Fourth Proportional to 99,549.23, 149,417.64 and 66,292.56

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Solution

The fourth proportional to 99,549.23, 149,417.64 and 66,292.56 is: 99,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,549.23 : 149,417.64 = 66,292.56 : x
  2. Step 2: Convert to fraction form
    99,549.23/149,417.64 = 66,292.56/x
  3. Step 3: Cross multiply
    99,549.23x = 149,417.64 × 66,292.56
  4. Step 4: Simplify right side
    99,549.23x = 9,905,277,864.76
  5. Step 5: Solve for x
    x = 9,905,277,864.76/99,549.23
  6. Step 6: Final answer
    x = 99,501.31

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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.