Home / 79,070.86-109,124.22-45,089.92

Finding the Fourth Proportional to 79,070.86, 109,124.22 and 45,089.92

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Solution

The fourth proportional to 79,070.86, 109,124.22 and 45,089.92 is: 62,227.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,070.86 : 109,124.22 = 45,089.92 : x
  2. Step 2: Convert to fraction form
    79,070.86/109,124.22 = 45,089.92/x
  3. Step 3: Cross multiply
    79,070.86x = 109,124.22 × 45,089.92
  4. Step 4: Simplify right side
    79,070.86x = 4,920,402,349.86
  5. Step 5: Solve for x
    x = 4,920,402,349.86/79,070.86
  6. Step 6: Final answer
    x = 62,227.76

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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.