Home / 103,349.91-154,880.55-55,862.67

Finding the Fourth Proportional to 103,349.91, 154,880.55 and 55,862.67

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Solution

The fourth proportional to 103,349.91, 154,880.55 and 55,862.67 is: 83,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,349.91 : 154,880.55 = 55,862.67 : x
  2. Step 2: Convert to fraction form
    103,349.91/154,880.55 = 55,862.67/x
  3. Step 3: Cross multiply
    103,349.91x = 154,880.55 × 55,862.67
  4. Step 4: Simplify right side
    103,349.91x = 8,652,041,054.07
  5. Step 5: Solve for x
    x = 8,652,041,054.07/103,349.91
  6. Step 6: Final answer
    x = 83,716.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.