Home / 74,831.15-103,280.16-44,618.33

Finding the Fourth Proportional to 74,831.15, 103,280.16 and 44,618.33

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Solution

The fourth proportional to 74,831.15, 103,280.16 and 44,618.33 is: 61,581.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,831.15 : 103,280.16 = 44,618.33 : x
  2. Step 2: Convert to fraction form
    74,831.15/103,280.16 = 44,618.33/x
  3. Step 3: Cross multiply
    74,831.15x = 103,280.16 × 44,618.33
  4. Step 4: Simplify right side
    74,831.15x = 4,608,187,744.93
  5. Step 5: Solve for x
    x = 4,608,187,744.93/74,831.15
  6. Step 6: Final answer
    x = 61,581.15

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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.