Home / 75,038.22-103,432.59-50,831.82

Finding the Fourth Proportional to 75,038.22, 103,432.59 and 50,831.82

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Solution

The fourth proportional to 75,038.22, 103,432.59 and 50,831.82 is: 70,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,038.22 : 103,432.59 = 50,831.82 : x
  2. Step 2: Convert to fraction form
    75,038.22/103,432.59 = 50,831.82/x
  3. Step 3: Cross multiply
    75,038.22x = 103,432.59 × 50,831.82
  4. Step 4: Simplify right side
    75,038.22x = 5,257,666,797.01
  5. Step 5: Solve for x
    x = 5,257,666,797.01/75,038.22
  6. Step 6: Final answer
    x = 70,066.52

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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.