Home / 77,545.84-116,075.67-53,389.21

Finding the Fourth Proportional to 77,545.84, 116,075.67 and 53,389.21

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Solution

The fourth proportional to 77,545.84, 116,075.67 and 53,389.21 is: 79,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,545.84 : 116,075.67 = 53,389.21 : x
  2. Step 2: Convert to fraction form
    77,545.84/116,075.67 = 53,389.21/x
  3. Step 3: Cross multiply
    77,545.84x = 116,075.67 × 53,389.21
  4. Step 4: Simplify right side
    77,545.84x = 6,197,188,321.52
  5. Step 5: Solve for x
    x = 6,197,188,321.52/77,545.84
  6. Step 6: Final answer
    x = 79,916.45

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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.