Home / 90,895.95-136,298.30-52,957.48

Finding the Fourth Proportional to 90,895.95, 136,298.30 and 52,957.48

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Solution

The fourth proportional to 90,895.95, 136,298.30 and 52,957.48 is: 79,409.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,895.95 : 136,298.30 = 52,957.48 : x
  2. Step 2: Convert to fraction form
    90,895.95/136,298.30 = 52,957.48/x
  3. Step 3: Cross multiply
    90,895.95x = 136,298.30 × 52,957.48
  4. Step 4: Simplify right side
    90,895.95x = 7,218,014,721.32
  5. Step 5: Solve for x
    x = 7,218,014,721.32/90,895.95
  6. Step 6: Final answer
    x = 79,409.64

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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.