Home / 56,124.09-77,526.72-52,138.28

Finding the Fourth Proportional to 56,124.09, 77,526.72 and 52,138.28

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Solution

The fourth proportional to 56,124.09, 77,526.72 and 52,138.28 is: 72,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,124.09 : 77,526.72 = 52,138.28 : x
  2. Step 2: Convert to fraction form
    56,124.09/77,526.72 = 52,138.28/x
  3. Step 3: Cross multiply
    56,124.09x = 77,526.72 × 52,138.28
  4. Step 4: Simplify right side
    56,124.09x = 4,042,110,028.66
  5. Step 5: Solve for x
    x = 4,042,110,028.66/56,124.09
  6. Step 6: Final answer
    x = 72,020.95

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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.