Home / 97,882.32-135,075.12-57,598.56

Finding the Fourth Proportional to 97,882.32, 135,075.12 and 57,598.56

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Solution

The fourth proportional to 97,882.32, 135,075.12 and 57,598.56 is: 79,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,882.32 : 135,075.12 = 57,598.56 : x
  2. Step 2: Convert to fraction form
    97,882.32/135,075.12 = 57,598.56/x
  3. Step 3: Cross multiply
    97,882.32x = 135,075.12 × 57,598.56
  4. Step 4: Simplify right side
    97,882.32x = 7,780,132,403.83
  5. Step 5: Solve for x
    x = 7,780,132,403.83/97,882.32
  6. Step 6: Final answer
    x = 79,484.55

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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.