Home / 91,637.16-137,222.40-60,377.64

Finding the Fourth Proportional to 91,637.16, 137,222.40 and 60,377.64

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Solution

The fourth proportional to 91,637.16, 137,222.40 and 60,377.64 is: 90,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,637.16 : 137,222.40 = 60,377.64 : x
  2. Step 2: Convert to fraction form
    91,637.16/137,222.40 = 60,377.64/x
  3. Step 3: Cross multiply
    91,637.16x = 137,222.40 × 60,377.64
  4. Step 4: Simplify right side
    91,637.16x = 8,285,164,667.14
  5. Step 5: Solve for x
    x = 8,285,164,667.14/91,637.16
  6. Step 6: Final answer
    x = 90,412.72

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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.