Home / 99,124.08-136,790.04-53,803.68

Finding the Fourth Proportional to 99,124.08, 136,790.04 and 53,803.68

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Solution

The fourth proportional to 99,124.08, 136,790.04 and 53,803.68 is: 74,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,124.08 : 136,790.04 = 53,803.68 : x
  2. Step 2: Convert to fraction form
    99,124.08/136,790.04 = 53,803.68/x
  3. Step 3: Cross multiply
    99,124.08x = 136,790.04 × 53,803.68
  4. Step 4: Simplify right side
    99,124.08x = 7,359,807,539.35
  5. Step 5: Solve for x
    x = 7,359,807,539.35/99,124.08
  6. Step 6: Final answer
    x = 74,248.43

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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.