Home / 77,208.14-106,549.85-45,376.58

Finding the Fourth Proportional to 77,208.14, 106,549.85 and 45,376.58

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Solution

The fourth proportional to 77,208.14, 106,549.85 and 45,376.58 is: 62,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,208.14 : 106,549.85 = 45,376.58 : x
  2. Step 2: Convert to fraction form
    77,208.14/106,549.85 = 45,376.58/x
  3. Step 3: Cross multiply
    77,208.14x = 106,549.85 × 45,376.58
  4. Step 4: Simplify right side
    77,208.14x = 4,834,867,792.51
  5. Step 5: Solve for x
    x = 4,834,867,792.51/77,208.14
  6. Step 6: Final answer
    x = 62,621.22

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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.