Home / 91,444.68-126,125.82-64,559.16

Finding the Fourth Proportional to 91,444.68, 126,125.82 and 64,559.16

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Solution

The fourth proportional to 91,444.68, 126,125.82 and 64,559.16 is: 89,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,444.68 : 126,125.82 = 64,559.16 : x
  2. Step 2: Convert to fraction form
    91,444.68/126,125.82 = 64,559.16/x
  3. Step 3: Cross multiply
    91,444.68x = 126,125.82 × 64,559.16
  4. Step 4: Simplify right side
    91,444.68x = 8,142,576,993.51
  5. Step 5: Solve for x
    x = 8,142,576,993.51/91,444.68
  6. Step 6: Final answer
    x = 89,043.75

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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.