Home / 77,946.88-107,558.40-46,117.12

Finding the Fourth Proportional to 77,946.88, 107,558.40 and 46,117.12

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Solution

The fourth proportional to 77,946.88, 107,558.40 and 46,117.12 is: 63,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,946.88 : 107,558.40 = 46,117.12 : x
  2. Step 2: Convert to fraction form
    77,946.88/107,558.40 = 46,117.12/x
  3. Step 3: Cross multiply
    77,946.88x = 107,558.40 × 46,117.12
  4. Step 4: Simplify right side
    77,946.88x = 4,960,283,639.81
  5. Step 5: Solve for x
    x = 4,960,283,639.81/77,946.88
  6. Step 6: Final answer
    x = 63,636.72

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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.