Home / 109,729.95-151,427.33-59,428.95

Finding the Fourth Proportional to 109,729.95, 151,427.33 and 59,428.95

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Solution

The fourth proportional to 109,729.95, 151,427.33 and 59,428.95 is: 82,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,729.95 : 151,427.33 = 59,428.95 : x
  2. Step 2: Convert to fraction form
    109,729.95/151,427.33 = 59,428.95/x
  3. Step 3: Cross multiply
    109,729.95x = 151,427.33 × 59,428.95
  4. Step 4: Simplify right side
    109,729.95x = 8,999,167,148.92
  5. Step 5: Solve for x
    x = 8,999,167,148.92/109,729.95
  6. Step 6: Final answer
    x = 82,011.95

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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.