Home / 91,911.36-137,802.66-46,946.40

Finding the Fourth Proportional to 91,911.36, 137,802.66 and 46,946.40

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Solution

The fourth proportional to 91,911.36, 137,802.66 and 46,946.40 is: 70,386.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,911.36 : 137,802.66 = 46,946.40 : x
  2. Step 2: Convert to fraction form
    91,911.36/137,802.66 = 46,946.40/x
  3. Step 3: Cross multiply
    91,911.36x = 137,802.66 × 46,946.40
  4. Step 4: Simplify right side
    91,911.36x = 6,469,338,797.42
  5. Step 5: Solve for x
    x = 6,469,338,797.42/91,911.36
  6. Step 6: Final answer
    x = 70,386.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.