Home / 99,529.64-137,348.15-54,206.63

Finding the Fourth Proportional to 99,529.64, 137,348.15 and 54,206.63

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Solution

The fourth proportional to 99,529.64, 137,348.15 and 54,206.63 is: 74,803.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,529.64 : 137,348.15 = 54,206.63 : x
  2. Step 2: Convert to fraction form
    99,529.64/137,348.15 = 54,206.63/x
  3. Step 3: Cross multiply
    99,529.64x = 137,348.15 × 54,206.63
  4. Step 4: Simplify right side
    99,529.64x = 7,445,180,348.23
  5. Step 5: Solve for x
    x = 7,445,180,348.23/99,529.64
  6. Step 6: Final answer
    x = 74,803.65

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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.