Home / 92,970.36-128,298.33-50,529.15

Finding the Fourth Proportional to 92,970.36, 128,298.33 and 50,529.15

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Solution

The fourth proportional to 92,970.36, 128,298.33 and 50,529.15 is: 69,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,970.36 : 128,298.33 = 50,529.15 : x
  2. Step 2: Convert to fraction form
    92,970.36/128,298.33 = 50,529.15/x
  3. Step 3: Cross multiply
    92,970.36x = 128,298.33 × 50,529.15
  4. Step 4: Simplify right side
    92,970.36x = 6,482,805,561.32
  5. Step 5: Solve for x
    x = 6,482,805,561.32/92,970.36
  6. Step 6: Final answer
    x = 69,729.81

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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.