Home / 85,006.10-117,303.72-47,277.92

Finding the Fourth Proportional to 85,006.10, 117,303.72 and 47,277.92

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Solution

The fourth proportional to 85,006.10, 117,303.72 and 47,277.92 is: 65,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,006.10 : 117,303.72 = 47,277.92 : x
  2. Step 2: Convert to fraction form
    85,006.10/117,303.72 = 47,277.92/x
  3. Step 3: Cross multiply
    85,006.10x = 117,303.72 × 47,277.92
  4. Step 4: Simplify right side
    85,006.10x = 5,545,875,889.86
  5. Step 5: Solve for x
    x = 5,545,875,889.86/85,006.10
  6. Step 6: Final answer
    x = 65,240.92

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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.