Home / 45,009.95-67,523.12-15,430.77

Finding the Fourth Proportional to 45,009.95, 67,523.12 and 15,430.77

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Solution

The fourth proportional to 45,009.95, 67,523.12 and 15,430.77 is: 23,148.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,009.95 : 67,523.12 = 15,430.77 : x
  2. Step 2: Convert to fraction form
    45,009.95/67,523.12 = 15,430.77/x
  3. Step 3: Cross multiply
    45,009.95x = 67,523.12 × 15,430.77
  4. Step 4: Simplify right side
    45,009.95x = 1,041,933,715.11
  5. Step 5: Solve for x
    x = 1,041,933,715.11/45,009.95
  6. Step 6: Final answer
    x = 23,148.97

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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.