Home / 109,545.32-151,172.10-59,244.36

Finding the Fourth Proportional to 109,545.32, 151,172.10 and 59,244.36

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Solution

The fourth proportional to 109,545.32, 151,172.10 and 59,244.36 is: 81,756.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,545.32 : 151,172.10 = 59,244.36 : x
  2. Step 2: Convert to fraction form
    109,545.32/151,172.10 = 59,244.36/x
  3. Step 3: Cross multiply
    109,545.32x = 151,172.10 × 59,244.36
  4. Step 4: Simplify right side
    109,545.32x = 8,956,094,314.36
  5. Step 5: Solve for x
    x = 8,956,094,314.36/109,545.32
  6. Step 6: Final answer
    x = 81,756.98

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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.