Home / 64,297.03-88,681.20-56,325.42

Finding the Fourth Proportional to 64,297.03, 88,681.20 and 56,325.42

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Solution

The fourth proportional to 64,297.03, 88,681.20 and 56,325.42 is: 77,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,297.03 : 88,681.20 = 56,325.42 : x
  2. Step 2: Convert to fraction form
    64,297.03/88,681.20 = 56,325.42/x
  3. Step 3: Cross multiply
    64,297.03x = 88,681.20 × 56,325.42
  4. Step 4: Simplify right side
    64,297.03x = 4,995,005,836.10
  5. Step 5: Solve for x
    x = 4,995,005,836.10/64,297.03
  6. Step 6: Final answer
    x = 77,686.42

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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.