Home / 109,737.18-151,437.63-59,436.18

Finding the Fourth Proportional to 109,737.18, 151,437.63 and 59,436.18

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Solution

The fourth proportional to 109,737.18, 151,437.63 and 59,436.18 is: 82,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,737.18 : 151,437.63 = 59,436.18 : x
  2. Step 2: Convert to fraction form
    109,737.18/151,437.63 = 59,436.18/x
  3. Step 3: Cross multiply
    109,737.18x = 151,437.63 × 59,436.18
  4. Step 4: Simplify right side
    109,737.18x = 9,000,874,235.45
  5. Step 5: Solve for x
    x = 9,000,874,235.45/109,737.18
  6. Step 6: Final answer
    x = 82,022.10

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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.