Home / 99,097.16-136,754.16-56,075.73

Finding the Fourth Proportional to 99,097.16, 136,754.16 and 56,075.73

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Solution

The fourth proportional to 99,097.16, 136,754.16 and 56,075.73 is: 77,384.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,097.16 : 136,754.16 = 56,075.73 : x
  2. Step 2: Convert to fraction form
    99,097.16/136,754.16 = 56,075.73/x
  3. Step 3: Cross multiply
    99,097.16x = 136,754.16 × 56,075.73
  4. Step 4: Simplify right side
    99,097.16x = 7,668,588,629.42
  5. Step 5: Solve for x
    x = 7,668,588,629.42/99,097.16
  6. Step 6: Final answer
    x = 77,384.55

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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.