Home / 115,075.40-172,630.12-58,947.26

Finding the Fourth Proportional to 115,075.40, 172,630.12 and 58,947.26

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Solution

The fourth proportional to 115,075.40, 172,630.12 and 58,947.26 is: 88,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,075.40 : 172,630.12 = 58,947.26 : x
  2. Step 2: Convert to fraction form
    115,075.40/172,630.12 = 58,947.26/x
  3. Step 3: Cross multiply
    115,075.40x = 172,630.12 × 58,947.26
  4. Step 4: Simplify right side
    115,075.40x = 10,176,072,567.47
  5. Step 5: Solve for x
    x = 10,176,072,567.47/115,075.40
  6. Step 6: Final answer
    x = 88,429.61

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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.