Home / 79,271.16-109,395.08-45,284.14

Finding the Fourth Proportional to 79,271.16, 109,395.08 and 45,284.14

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Solution

The fourth proportional to 79,271.16, 109,395.08 and 45,284.14 is: 62,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,271.16 : 109,395.08 = 45,284.14 : x
  2. Step 2: Convert to fraction form
    79,271.16/109,395.08 = 45,284.14/x
  3. Step 3: Cross multiply
    79,271.16x = 109,395.08 × 45,284.14
  4. Step 4: Simplify right side
    79,271.16x = 4,953,862,118.03
  5. Step 5: Solve for x
    x = 4,953,862,118.03/79,271.16
  6. Step 6: Final answer
    x = 62,492.62

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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.