Home / 77,031.22-115,545.90-24,441.16

Finding the Fourth Proportional to 77,031.22, 115,545.90 and 24,441.16

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Solution

The fourth proportional to 77,031.22, 115,545.90 and 24,441.16 is: 36,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,031.22 : 115,545.90 = 24,441.16 : x
  2. Step 2: Convert to fraction form
    77,031.22/115,545.90 = 24,441.16/x
  3. Step 3: Cross multiply
    77,031.22x = 115,545.90 × 24,441.16
  4. Step 4: Simplify right side
    77,031.22x = 2,824,075,829.24
  5. Step 5: Solve for x
    x = 2,824,075,829.24/77,031.22
  6. Step 6: Final answer
    x = 36,661.44

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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.