Home / 48,300.78-66,578.06-38,075.14

Finding the Fourth Proportional to 48,300.78, 66,578.06 and 38,075.14

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Solution

The fourth proportional to 48,300.78, 66,578.06 and 38,075.14 is: 52,482.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,300.78 : 66,578.06 = 38,075.14 : x
  2. Step 2: Convert to fraction form
    48,300.78/66,578.06 = 38,075.14/x
  3. Step 3: Cross multiply
    48,300.78x = 66,578.06 × 38,075.14
  4. Step 4: Simplify right side
    48,300.78x = 2,534,968,884.17
  5. Step 5: Solve for x
    x = 2,534,968,884.17/48,300.78
  6. Step 6: Final answer
    x = 52,482.98

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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.