Home / 76,275.36-105,258.66-42,283.68

Finding the Fourth Proportional to 76,275.36, 105,258.66 and 42,283.68

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Solution

The fourth proportional to 76,275.36, 105,258.66 and 42,283.68 is: 58,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,275.36 : 105,258.66 = 42,283.68 : x
  2. Step 2: Convert to fraction form
    76,275.36/105,258.66 = 42,283.68/x
  3. Step 3: Cross multiply
    76,275.36x = 105,258.66 × 42,283.68
  4. Step 4: Simplify right side
    76,275.36x = 4,450,723,496.67
  5. Step 5: Solve for x
    x = 4,450,723,496.67/76,275.36
  6. Step 6: Final answer
    x = 58,350.74

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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.