Home / 99,854.19-137,799.88-54,533.51

Finding the Fourth Proportional to 99,854.19, 137,799.88 and 54,533.51

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Solution

The fourth proportional to 99,854.19, 137,799.88 and 54,533.51 is: 75,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854.19 : 137,799.88 = 54,533.51 : x
  2. Step 2: Convert to fraction form
    99,854.19/137,799.88 = 54,533.51/x
  3. Step 3: Cross multiply
    99,854.19x = 137,799.88 × 54,533.51
  4. Step 4: Simplify right side
    99,854.19x = 7,514,710,444.98
  5. Step 5: Solve for x
    x = 7,514,710,444.98/99,854.19
  6. Step 6: Final answer
    x = 75,256.84

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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.