Home / 77,653.02-107,098.56-52,151.66

Finding the Fourth Proportional to 77,653.02, 107,098.56 and 52,151.66

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Solution

The fourth proportional to 77,653.02, 107,098.56 and 52,151.66 is: 71,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,653.02 : 107,098.56 = 52,151.66 : x
  2. Step 2: Convert to fraction form
    77,653.02/107,098.56 = 52,151.66/x
  3. Step 3: Cross multiply
    77,653.02x = 107,098.56 × 52,151.66
  4. Step 4: Simplify right side
    77,653.02x = 5,585,367,152.12
  5. Step 5: Solve for x
    x = 5,585,367,152.12/77,653.02
  6. Step 6: Final answer
    x = 71,927.24

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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.