Home / 88,075.80-121,645.54-57,995.58

Finding the Fourth Proportional to 88,075.80, 121,645.54 and 57,995.58

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Solution

The fourth proportional to 88,075.80, 121,645.54 and 57,995.58 is: 80,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,075.80 : 121,645.54 = 57,995.58 : x
  2. Step 2: Convert to fraction form
    88,075.80/121,645.54 = 57,995.58/x
  3. Step 3: Cross multiply
    88,075.80x = 121,645.54 × 57,995.58
  4. Step 4: Simplify right side
    88,075.80x = 7,054,903,646.71
  5. Step 5: Solve for x
    x = 7,054,903,646.71/88,075.80
  6. Step 6: Final answer
    x = 80,100.36

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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.