Home / 100,114.10-150,088.83-46,779.70

Finding the Fourth Proportional to 100,114.10, 150,088.83 and 46,779.70

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Solution

The fourth proportional to 100,114.10, 150,088.83 and 46,779.70 is: 70,131.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,114.10 : 150,088.83 = 46,779.70 : x
  2. Step 2: Convert to fraction form
    100,114.10/150,088.83 = 46,779.70/x
  3. Step 3: Cross multiply
    100,114.10x = 150,088.83 × 46,779.70
  4. Step 4: Simplify right side
    100,114.10x = 7,021,110,065.53
  5. Step 5: Solve for x
    x = 7,021,110,065.53/100,114.10
  6. Step 6: Final answer
    x = 70,131.08

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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.