Home / 76,798.60-114,937.80-47,235.16

Finding the Fourth Proportional to 76,798.60, 114,937.80 and 47,235.16

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Solution

The fourth proportional to 76,798.60, 114,937.80 and 47,235.16 is: 70,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,798.60 : 114,937.80 = 47,235.16 : x
  2. Step 2: Convert to fraction form
    76,798.60/114,937.80 = 47,235.16/x
  3. Step 3: Cross multiply
    76,798.60x = 114,937.80 × 47,235.16
  4. Step 4: Simplify right side
    76,798.60x = 5,429,105,373.05
  5. Step 5: Solve for x
    x = 5,429,105,373.05/76,798.60
  6. Step 6: Final answer
    x = 70,692.76

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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.