Home / 85,349.68-127,853.04-42,525.94

Finding the Fourth Proportional to 85,349.68, 127,853.04 and 42,525.94

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Solution

The fourth proportional to 85,349.68, 127,853.04 and 42,525.94 is: 63,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,349.68 : 127,853.04 = 42,525.94 : x
  2. Step 2: Convert to fraction form
    85,349.68/127,853.04 = 42,525.94/x
  3. Step 3: Cross multiply
    85,349.68x = 127,853.04 × 42,525.94
  4. Step 4: Simplify right side
    85,349.68x = 5,437,070,707.86
  5. Step 5: Solve for x
    x = 5,437,070,707.86/85,349.68
  6. Step 6: Final answer
    x = 63,703.47

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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.