Home / 99,437.60-149,026.80-46,123.40

Finding the Fourth Proportional to 99,437.60, 149,026.80 and 46,123.40

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Solution

The fourth proportional to 99,437.60, 149,026.80 and 46,123.40 is: 69,124.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,437.60 : 149,026.80 = 46,123.40 : x
  2. Step 2: Convert to fraction form
    99,437.60/149,026.80 = 46,123.40/x
  3. Step 3: Cross multiply
    99,437.60x = 149,026.80 × 46,123.40
  4. Step 4: Simplify right side
    99,437.60x = 6,873,622,707.12
  5. Step 5: Solve for x
    x = 6,873,622,707.12/99,437.60
  6. Step 6: Final answer
    x = 69,124.99

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1.5x scale

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.