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Finding the Fourth Proportional to 76,558.52, 105,622.76 and 46,332.81

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Solution

The fourth proportional to 76,558.52, 105,622.76 and 46,332.81 is: 63,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,558.52 : 105,622.76 = 46,332.81 : x
  2. Step 2: Convert to fraction form
    76,558.52/105,622.76 = 46,332.81/x
  3. Step 3: Cross multiply
    76,558.52x = 105,622.76 × 46,332.81
  4. Step 4: Simplify right side
    76,558.52x = 4,893,799,386.59
  5. Step 5: Solve for x
    x = 4,893,799,386.59/76,558.52
  6. Step 6: Final answer
    x = 63,922.33

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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.