Home / 107,022.65-147,692.34-64,572.98

Finding the Fourth Proportional to 107,022.65, 147,692.34 and 64,572.98

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Solution

The fourth proportional to 107,022.65, 147,692.34 and 64,572.98 is: 89,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,022.65 : 147,692.34 = 64,572.98 : x
  2. Step 2: Convert to fraction form
    107,022.65/147,692.34 = 64,572.98/x
  3. Step 3: Cross multiply
    107,022.65x = 147,692.34 × 64,572.98
  4. Step 4: Simplify right side
    107,022.65x = 9,536,934,516.97
  5. Step 5: Solve for x
    x = 9,536,934,516.97/107,022.65
  6. Step 6: Final answer
    x = 89,111.37

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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.