Home / 77,417.55-106,837.38-43,433.55

Finding the Fourth Proportional to 77,417.55, 106,837.38 and 43,433.55

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Solution

The fourth proportional to 77,417.55, 106,837.38 and 43,433.55 is: 59,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,417.55 : 106,837.38 = 43,433.55 : x
  2. Step 2: Convert to fraction form
    77,417.55/106,837.38 = 43,433.55/x
  3. Step 3: Cross multiply
    77,417.55x = 106,837.38 × 43,433.55
  4. Step 4: Simplify right side
    77,417.55x = 4,640,326,686.10
  5. Step 5: Solve for x
    x = 4,640,326,686.10/77,417.55
  6. Step 6: Final answer
    x = 59,938.95

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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.