Home / 112,065.96-154,647.08-61,077.64

Finding the Fourth Proportional to 112,065.96, 154,647.08 and 61,077.64

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Solution

The fourth proportional to 112,065.96, 154,647.08 and 61,077.64 is: 84,284.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,065.96 : 154,647.08 = 61,077.64 : x
  2. Step 2: Convert to fraction form
    112,065.96/154,647.08 = 61,077.64/x
  3. Step 3: Cross multiply
    112,065.96x = 154,647.08 × 61,077.64
  4. Step 4: Simplify right side
    112,065.96x = 9,445,478,679.29
  5. Step 5: Solve for x
    x = 9,445,478,679.29/112,065.96
  6. Step 6: Final answer
    x = 84,284.99

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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.