Home / 56,312.36-77,688.95-36,166.44

Finding the Fourth Proportional to 56,312.36, 77,688.95 and 36,166.44

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Solution

The fourth proportional to 56,312.36, 77,688.95 and 36,166.44 is: 49,895.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,312.36 : 77,688.95 = 36,166.44 : x
  2. Step 2: Convert to fraction form
    56,312.36/77,688.95 = 36,166.44/x
  3. Step 3: Cross multiply
    56,312.36x = 77,688.95 × 36,166.44
  4. Step 4: Simplify right side
    56,312.36x = 2,809,732,568.01
  5. Step 5: Solve for x
    x = 2,809,732,568.01/56,312.36
  6. Step 6: Final answer
    x = 49,895.49

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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.