Home / 91,330.11-137,022.93-64,727.55

Finding the Fourth Proportional to 91,330.11, 137,022.93 and 64,727.55

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Solution

The fourth proportional to 91,330.11, 137,022.93 and 64,727.55 is: 97,111.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,330.11 : 137,022.93 = 64,727.55 : x
  2. Step 2: Convert to fraction form
    91,330.11/137,022.93 = 64,727.55/x
  3. Step 3: Cross multiply
    91,330.11x = 137,022.93 × 64,727.55
  4. Step 4: Simplify right side
    91,330.11x = 8,869,158,552.72
  5. Step 5: Solve for x
    x = 8,869,158,552.72/91,330.11
  6. Step 6: Final answer
    x = 97,111.00

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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.