Home / 99,667.76-149,501.64-40,508.04

Finding the Fourth Proportional to 99,667.76, 149,501.64 and 40,508.04

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Solution

The fourth proportional to 99,667.76, 149,501.64 and 40,508.04 is: 60,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,667.76 : 149,501.64 = 40,508.04 : x
  2. Step 2: Convert to fraction form
    99,667.76/149,501.64 = 40,508.04/x
  3. Step 3: Cross multiply
    99,667.76x = 149,501.64 × 40,508.04
  4. Step 4: Simplify right side
    99,667.76x = 6,056,018,413.19
  5. Step 5: Solve for x
    x = 6,056,018,413.19/99,667.76
  6. Step 6: Final answer
    x = 60,762.06

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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.