Home / 56,506.26-78,059.64-45,160.86

Finding the Fourth Proportional to 56,506.26, 78,059.64 and 45,160.86

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Solution

The fourth proportional to 56,506.26, 78,059.64 and 45,160.86 is: 62,386.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,506.26 : 78,059.64 = 45,160.86 : x
  2. Step 2: Convert to fraction form
    56,506.26/78,059.64 = 45,160.86/x
  3. Step 3: Cross multiply
    56,506.26x = 78,059.64 × 45,160.86
  4. Step 4: Simplify right side
    56,506.26x = 3,525,240,473.69
  5. Step 5: Solve for x
    x = 3,525,240,473.69/56,506.26
  6. Step 6: Final answer
    x = 62,386.72

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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.