Home / 88,328.83-121,896.55-50,088.45

Finding the Fourth Proportional to 88,328.83, 121,896.55 and 50,088.45

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Solution

The fourth proportional to 88,328.83, 121,896.55 and 50,088.45 is: 69,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,328.83 : 121,896.55 = 50,088.45 : x
  2. Step 2: Convert to fraction form
    88,328.83/121,896.55 = 50,088.45/x
  3. Step 3: Cross multiply
    88,328.83x = 121,896.55 × 50,088.45
  4. Step 4: Simplify right side
    88,328.83x = 6,105,609,144.99
  5. Step 5: Solve for x
    x = 6,105,609,144.99/88,328.83
  6. Step 6: Final answer
    x = 69,123.63

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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.