Home / 50,873.86-70,136.85-42,902.11

Finding the Fourth Proportional to 50,873.86, 70,136.85 and 42,902.11

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Solution

The fourth proportional to 50,873.86, 70,136.85 and 42,902.11 is: 59,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,873.86 : 70,136.85 = 42,902.11 : x
  2. Step 2: Convert to fraction form
    50,873.86/70,136.85 = 42,902.11/x
  3. Step 3: Cross multiply
    50,873.86x = 70,136.85 × 42,902.11
  4. Step 4: Simplify right side
    50,873.86x = 3,009,018,853.75
  5. Step 5: Solve for x
    x = 3,009,018,853.75/50,873.86
  6. Step 6: Final answer
    x = 59,146.66

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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.