Home / 91,011.81-136,550.13-46,659.45

Finding the Fourth Proportional to 91,011.81, 136,550.13 and 46,659.45

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Solution

The fourth proportional to 91,011.81, 136,550.13 and 46,659.45 is: 70,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,011.81 : 136,550.13 = 46,659.45 : x
  2. Step 2: Convert to fraction form
    91,011.81/136,550.13 = 46,659.45/x
  3. Step 3: Cross multiply
    91,011.81x = 136,550.13 × 46,659.45
  4. Step 4: Simplify right side
    91,011.81x = 6,371,353,963.23
  5. Step 5: Solve for x
    x = 6,371,353,963.23/91,011.81
  6. Step 6: Final answer
    x = 70,005.79

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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.