Home / 99,295.15-137,027.05-53,973.13

Finding the Fourth Proportional to 99,295.15, 137,027.05 and 53,973.13

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Solution

The fourth proportional to 99,295.15, 137,027.05 and 53,973.13 is: 74,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,295.15 : 137,027.05 = 53,973.13 : x
  2. Step 2: Convert to fraction form
    99,295.15/137,027.05 = 53,973.13/x
  3. Step 3: Cross multiply
    99,295.15x = 137,027.05 × 53,973.13
  4. Step 4: Simplify right side
    99,295.15x = 7,395,778,783.17
  5. Step 5: Solve for x
    x = 7,395,778,783.17/99,295.15
  6. Step 6: Final answer
    x = 74,482.78

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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.