Home / 83,502.02-115,235.45-45,775.94

Finding the Fourth Proportional to 83,502.02, 115,235.45 and 45,775.94

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Solution

The fourth proportional to 83,502.02, 115,235.45 and 45,775.94 is: 63,172.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,502.02 : 115,235.45 = 45,775.94 : x
  2. Step 2: Convert to fraction form
    83,502.02/115,235.45 = 45,775.94/x
  3. Step 3: Cross multiply
    83,502.02x = 115,235.45 × 45,775.94
  4. Step 4: Simplify right side
    83,502.02x = 5,275,011,045.07
  5. Step 5: Solve for x
    x = 5,275,011,045.07/83,502.02
  6. Step 6: Final answer
    x = 63,172.26

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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.