Home / 77,328.54-106,711.61-45,061.10

Finding the Fourth Proportional to 77,328.54, 106,711.61 and 45,061.10

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Solution

The fourth proportional to 77,328.54, 106,711.61 and 45,061.10 is: 62,183.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,328.54 : 106,711.61 = 45,061.10 : x
  2. Step 2: Convert to fraction form
    77,328.54/106,711.61 = 45,061.10/x
  3. Step 3: Cross multiply
    77,328.54x = 106,711.61 × 45,061.10
  4. Step 4: Simplify right side
    77,328.54x = 4,808,542,304.07
  5. Step 5: Solve for x
    x = 4,808,542,304.07/77,328.54
  6. Step 6: Final answer
    x = 62,183.28

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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.