Home / 112,005.64-154,567.77-61,704.64

Finding the Fourth Proportional to 112,005.64, 154,567.77 and 61,704.64

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Solution

The fourth proportional to 112,005.64, 154,567.77 and 61,704.64 is: 85,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,005.64 : 154,567.77 = 61,704.64 : x
  2. Step 2: Convert to fraction form
    112,005.64/154,567.77 = 61,704.64/x
  3. Step 3: Cross multiply
    112,005.64x = 154,567.77 × 61,704.64
  4. Step 4: Simplify right side
    112,005.64x = 9,537,548,603.45
  5. Step 5: Solve for x
    x = 9,537,548,603.45/112,005.64
  6. Step 6: Final answer
    x = 85,152.40

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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.