Home / 109,729.93-151,427.31-59,428.93

Finding the Fourth Proportional to 109,729.93, 151,427.31 and 59,428.93

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Solution

The fourth proportional to 109,729.93, 151,427.31 and 59,428.93 is: 82,011.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,729.93 : 151,427.31 = 59,428.93 : x
  2. Step 2: Convert to fraction form
    109,729.93/151,427.31 = 59,428.93/x
  3. Step 3: Cross multiply
    109,729.93x = 151,427.31 × 59,428.93
  4. Step 4: Simplify right side
    109,729.93x = 8,999,163,006.08
  5. Step 5: Solve for x
    x = 8,999,163,006.08/109,729.93
  6. Step 6: Final answer
    x = 82,011.93

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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.