Home / 85,075.86-117,402.69-47,349.30

Finding the Fourth Proportional to 85,075.86, 117,402.69 and 47,349.30

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Solution

The fourth proportional to 85,075.86, 117,402.69 and 47,349.30 is: 65,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,075.86 : 117,402.69 = 47,349.30 : x
  2. Step 2: Convert to fraction form
    85,075.86/117,402.69 = 47,349.30/x
  3. Step 3: Cross multiply
    85,075.86x = 117,402.69 × 47,349.30
  4. Step 4: Simplify right side
    85,075.86x = 5,558,935,189.62
  5. Step 5: Solve for x
    x = 5,558,935,189.62/85,075.86
  6. Step 6: Final answer
    x = 65,340.92

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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.