Home / 91,777.68-137,637.35-62,384.40

Finding the Fourth Proportional to 91,777.68, 137,637.35 and 62,384.40

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Solution

The fourth proportional to 91,777.68, 137,637.35 and 62,384.40 is: 93,556.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,777.68 : 137,637.35 = 62,384.40 : x
  2. Step 2: Convert to fraction form
    91,777.68/137,637.35 = 62,384.40/x
  3. Step 3: Cross multiply
    91,777.68x = 137,637.35 × 62,384.40
  4. Step 4: Simplify right side
    91,777.68x = 8,586,423,497.34
  5. Step 5: Solve for x
    x = 8,586,423,497.34/91,777.68
  6. Step 6: Final answer
    x = 93,556.77

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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.