Home / 56,777.99-78,386.11-37,683.66

Finding the Fourth Proportional to 56,777.99, 78,386.11 and 37,683.66

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Solution

The fourth proportional to 56,777.99, 78,386.11 and 37,683.66 is: 52,025.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,777.99 : 78,386.11 = 37,683.66 : x
  2. Step 2: Convert to fraction form
    56,777.99/78,386.11 = 37,683.66/x
  3. Step 3: Cross multiply
    56,777.99x = 78,386.11 × 37,683.66
  4. Step 4: Simplify right side
    56,777.99x = 2,953,875,423.75
  5. Step 5: Solve for x
    x = 2,953,875,423.75/56,777.99
  6. Step 6: Final answer
    x = 52,025.01

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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.