Home / 112,075.20-168,112.80-59,587.20

Finding the Fourth Proportional to 112,075.20, 168,112.80 and 59,587.20

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Solution

The fourth proportional to 112,075.20, 168,112.80 and 59,587.20 is: 89,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,075.20 : 168,112.80 = 59,587.20 : x
  2. Step 2: Convert to fraction form
    112,075.20/168,112.80 = 59,587.20/x
  3. Step 3: Cross multiply
    112,075.20x = 168,112.80 × 59,587.20
  4. Step 4: Simplify right side
    112,075.20x = 10,017,371,036.16
  5. Step 5: Solve for x
    x = 10,017,371,036.16/112,075.20
  6. Step 6: Final answer
    x = 89,380.80

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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.